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@igorcampos-dev igorcampos-dev commented Dec 11, 2025

… Kafka integration and Docker support

Summary by CodeRabbit

  • New Features

    • Added Spring Wolf example project demonstrating async messaging with Kafka, including sample producer and consumer and a runnable Spring Boot app.
    • Added Docker Compose for local Kafka + app runtime.
  • CI

    • Added GitHub Actions workflows for build, integration tests, and health checks on PRs.
  • Documentation

    • New project README and environment configuration for dev and production.
  • Chores

    • Registered new module in build and updated repository labeling.

✏️ Tip: You can customize this high-level summary in your review settings.

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coderabbitai bot commented Dec 11, 2025

Walkthrough

Adds a new example module "spring-wolf-example" with Maven module registration, project files (source, resources, Docker, compose, scripts), CI workflows and labeler entry, README updates, and supporting build/wrapper artifacts.

Changes

Cohort / File(s) Summary
Repository metadata & CI
.github/labeler.yml, .github/workflows/springwolf-example.yml
Adds labeler project entry for spring-wolf-example and a new workflow that runs Maven integration tests and a docker-compose health-check on PRs touching the example path.
Root POM
pom.xml
Registers new module <module>spring-wolf-example</module> in the root Maven modules.
Module Maven & wrapper
spring-wolf-example/pom.xml, spring-wolf-example/.mvn/wrapper/maven-wrapper.properties, spring-wolf-example/mvnw, spring-wolf-example/mvnw.cmd, spring-wolf-example/.github/maven.yml
Adds module POM (Spring Boot, Cloud Stream Kafka, Springwolf deps), Maven wrapper properties and both wrapper executables, plus a module-level CI workflow.
Docker & compose
spring-wolf-example/Dockerfile, spring-wolf-example/compose.yaml, spring-wolf-example/docker/kafka/create_topic.sh
Adds multi-stage Dockerfile, docker-compose with Kafka, app and topic-init services, and a topic creation script.
Project configs & ignore
spring-wolf-example/.dockerignore, spring-wolf-example/.gitignore, spring-wolf-example/.gitattributes
Standard ignore patterns, Docker build exclusions, and line-ending attributes for mvnw and .cmd files.
Application configs
spring-wolf-example/src/main/resources/application.yaml, spring-wolf-example/src/main/resources/application-prd.yaml
Adds development and production YAML configs: Spring Cloud Stream bindings, Springwolf docket and publishing plugin, Kafka topic/server mappings and UI defaults.
Application source
spring-wolf-example/src/main/java/.../SpringWolfExampleApplication.java, .../consumer/KafkaConsumer.java, .../producer/KafkaProducer.java, .../dto/KafkaDto.java, .../util/ConstantsUtil.java
Adds Spring Boot entrypoint, Kafka consumer (logs payload), producer using StreamBridge, DTO record, and topic constant utility.
Docs
spring-wolf-example/README.md, README.md
Adds module README and updates root README projects table to include spring-wolf-example.

Estimated code review effort

🎯 3 (Moderate) | ⏱️ ~25 minutes

  • Heterogeneous changes across CI, build wrappers, Docker/compose, configs, and Java code require targeted checks.
  • Pay extra attention to:
    • mvnw and mvnw.cmd correctness and platform behavior.
    • .github/workflows/springwolf-example.yml health-check service extraction and docker-compose orchestration.
    • compose.yaml and docker/kafka/create_topic.sh (service readiness and topic creation robustness).
    • spring-wolf-example/pom.xml for dependency versions and repository entries.

Possibly related PRs

Pre-merge checks and finishing touches

❌ Failed checks (1 warning)
Check name Status Explanation Resolution
Docstring Coverage ⚠️ Warning Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%. You can run @coderabbitai generate docstrings to improve docstring coverage.
✅ Passed checks (2 passed)
Check name Status Explanation
Description Check ✅ Passed Check skipped - CodeRabbit’s high-level summary is enabled.
Title check ✅ Passed The title clearly and specifically summarizes the main change: initializing a new Spring Wolf example project with Kafka integration and Docker support, which aligns with the extensive changeset adding a complete new module.
✨ Finishing touches
  • 📝 Generate docstrings
🧪 Generate unit tests (beta)
  • Create PR with unit tests
  • Post copyable unit tests in a comment
  • Commit unit tests in branch feature/spring-wolf

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Actionable comments posted: 13

📜 Review details

Configuration used: CodeRabbit UI

Review profile: ASSERTIVE

Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 9e8ec2e and 8ef7b94.

📒 Files selected for processing (22)
  • .github/labeler.yml (1 hunks)
  • .github/workflows/springwolf-example.yml (1 hunks)
  • pom.xml (1 hunks)
  • spring-wolf-example/.dockerignore (1 hunks)
  • spring-wolf-example/.gitattributes (1 hunks)
  • spring-wolf-example/.github/maven.yml (1 hunks)
  • spring-wolf-example/.gitignore (1 hunks)
  • spring-wolf-example/.mvn/wrapper/maven-wrapper.properties (1 hunks)
  • spring-wolf-example/Dockerfile (1 hunks)
  • spring-wolf-example/README.md (1 hunks)
  • spring-wolf-example/compose.yaml (1 hunks)
  • spring-wolf-example/docker/kafka/create_topic.sh (1 hunks)
  • spring-wolf-example/mvnw (1 hunks)
  • spring-wolf-example/mvnw.cmd (1 hunks)
  • spring-wolf-example/pom.xml (1 hunks)
  • spring-wolf-example/src/main/java/com/io/example/SpringWolfExampleApplication.java (1 hunks)
  • spring-wolf-example/src/main/java/com/io/example/consumer/KafkaConsumer.java (1 hunks)
  • spring-wolf-example/src/main/java/com/io/example/dto/KafkaDto.java (1 hunks)
  • spring-wolf-example/src/main/java/com/io/example/producer/KafkaProducer.java (1 hunks)
  • spring-wolf-example/src/main/java/com/io/example/properties/KafkaProperties.java (1 hunks)
  • spring-wolf-example/src/main/resources/application-prd.yaml (1 hunks)
  • spring-wolf-example/src/main/resources/application.yaml (1 hunks)
🧰 Additional context used
🧠 Learnings (5)
📓 Common learnings
Learnt from: igorcampos-dev
Repo: igorcampos-dev/spring-integrations-examples PR: 40
File: spring-kafka-example/src/main/java/com/io/example/consumer/KafkaConsumerServiceImpl.java:18-22
Timestamp: 2025-07-27T19:57:31.204Z
Learning: In the spring-integrations-examples project, user igorcampos-dev prefers to keep simple example implementations minimal without additional error handling complexity, as the examples are for demonstration purposes rather than production use.
Learnt from: igorcampos-dev
Repo: igorcampos-dev/spring-integrations-examples PR: 40
File: spring-kafka-example/src/main/java/com/io/example/producer/KafkaProducerServiceImpl.java:26-26
Timestamp: 2025-07-27T19:48:52.891Z
Learning: In the spring-kafka-example project, user igorcampos-dev is comfortable with logging complete message objects in Kafka producer implementations and does not consider it a security concern, indicating no sensitive data is involved or other security measures are in place.
Learnt from: igorcampos-dev
Repo: igorcampos-dev/spring-integrations-examples PR: 21
File: spring-kafka-example/README.md:12-17
Timestamp: 2025-07-22T01:35:41.406Z
Learning: User igorcampos-dev prefers minimal, high-level documentation in README files without detailed version specifications, choosing to keep tech stack information simple rather than adding precise version numbers.
Learnt from: igorcampos-dev
Repo: igorcampos-dev/spring-integrations-examples PR: 21
File: spring-kafka-example/compose.yaml:30-32
Timestamp: 2025-07-22T01:30:57.054Z
Learning: User igorcampos-dev prefers to maintain environment parity between local development and production, avoiding development-specific configurations like ALLOW_PLAINTEXT_LISTENER even when they might provide clearer intent or safety nets.
Learnt from: igorcampos-dev
Repo: igorcampos-dev/spring-integrations-examples PR: 26
File: spring-kafka-example/compose.yaml:3-4
Timestamp: 2025-07-24T01:40:49.337Z
Learning: User igorcampos-dev requires hard-coded container names in Docker Compose files (like `container_name: app`) for CI pipeline validation purposes, which is a valid operational requirement that overrides the general best practice of avoiding hard-coded container names.
📚 Learning: 2025-07-27T19:48:52.891Z
Learnt from: igorcampos-dev
Repo: igorcampos-dev/spring-integrations-examples PR: 40
File: spring-kafka-example/src/main/java/com/io/example/producer/KafkaProducerServiceImpl.java:26-26
Timestamp: 2025-07-27T19:48:52.891Z
Learning: In the spring-kafka-example project, user igorcampos-dev is comfortable with logging complete message objects in Kafka producer implementations and does not consider it a security concern, indicating no sensitive data is involved or other security measures are in place.

Applied to files:

  • spring-wolf-example/src/main/resources/application.yaml
  • spring-wolf-example/README.md
  • spring-wolf-example/src/main/java/com/io/example/properties/KafkaProperties.java
  • spring-wolf-example/src/main/java/com/io/example/producer/KafkaProducer.java
  • spring-wolf-example/src/main/resources/application-prd.yaml
  • spring-wolf-example/pom.xml
  • spring-wolf-example/src/main/java/com/io/example/consumer/KafkaConsumer.java
  • spring-wolf-example/src/main/java/com/io/example/dto/KafkaDto.java
📚 Learning: 2025-07-27T19:57:31.204Z
Learnt from: igorcampos-dev
Repo: igorcampos-dev/spring-integrations-examples PR: 40
File: spring-kafka-example/src/main/java/com/io/example/consumer/KafkaConsumerServiceImpl.java:18-22
Timestamp: 2025-07-27T19:57:31.204Z
Learning: In the spring-integrations-examples project, user igorcampos-dev prefers to keep simple example implementations minimal without additional error handling complexity, as the examples are for demonstration purposes rather than production use.

Applied to files:

  • spring-wolf-example/README.md
  • spring-wolf-example/pom.xml
  • spring-wolf-example/src/main/java/com/io/example/SpringWolfExampleApplication.java
📚 Learning: 2025-07-27T19:51:52.736Z
Learnt from: igorcampos-dev
Repo: igorcampos-dev/spring-integrations-examples PR: 40
File: spring-kafka-example/src/main/java/com/io/example/consumer/KafkaConsumerService.java:3-3
Timestamp: 2025-07-27T19:51:52.736Z
Learning: In the spring-integrations-examples project, user igorcampos-dev uses SuppressWarnings("unused") annotations to suppress IntelliJ IDEA alerts, and these annotations should not be suggested for removal as they serve a specific purpose in their development workflow.

Applied to files:

  • spring-wolf-example/.gitignore
📚 Learning: 2025-07-27T19:48:29.678Z
Learnt from: igorcampos-dev
Repo: igorcampos-dev/spring-integrations-examples PR: 40
File: spring-kafka-example/src/main/java/com/io/example/producer/KafkaProducerServiceImpl.java:25-29
Timestamp: 2025-07-27T19:48:29.678Z
Learning: In the spring-kafka-example project, the message parameter in KafkaProducerServiceImpl.sendMessage(MessageRequestDtoRequest message) is guaranteed to never be null due to the application's design/validation constraints, making null checking unnecessary.

Applied to files:

  • spring-wolf-example/src/main/java/com/io/example/producer/KafkaProducer.java
  • spring-wolf-example/src/main/java/com/io/example/dto/KafkaDto.java
🧬 Code graph analysis (1)
spring-wolf-example/src/main/java/com/io/example/consumer/KafkaConsumer.java (2)
spring-batch-db-examples/src/main/java/com/io/example/repository/query/TestEntityQuery.java (1)
  • RequiredArgsConstructor (6-27)
spring-wolf-example/src/main/java/com/io/example/producer/KafkaProducer.java (1)
  • Component (14-42)
🪛 actionlint (1.7.9)
.github/workflows/springwolf-example.yml

50-50: shellcheck reported issue in this script: SC2086:info:1:25: Double quote to prevent globbing and word splitting

(shellcheck)


50-50: shellcheck reported issue in this script: SC2086:info:2:74: Double quote to prevent globbing and word splitting

(shellcheck)


50-50: shellcheck reported issue in this script: SC2086:info:3:15: Double quote to prevent globbing and word splitting

(shellcheck)


50-50: shellcheck reported issue in this script: SC2129:style:1:1: Consider using { cmd1; cmd2; } >> file instead of individual redirects

(shellcheck)

🪛 Checkov (3.2.334)
spring-wolf-example/Dockerfile

[low] 1-47: Ensure that HEALTHCHECK instructions have been added to container images

(CKV_DOCKER_2)

🪛 Hadolint (2.14.0)
spring-wolf-example/Dockerfile

[warning] 16-16: Quote this to prevent word splitting.

(SC2046)


[warning] 40-40: COPY to a relative destination without WORKDIR set.

(DL3045)


[warning] 41-41: COPY to a relative destination without WORKDIR set.

(DL3045)


[warning] 42-42: COPY to a relative destination without WORKDIR set.

(DL3045)


[warning] 43-43: COPY to a relative destination without WORKDIR set.

(DL3045)

🪛 markdownlint-cli2 (0.18.1)
spring-wolf-example/README.md

39-39: Bare URL used

(MD034, no-bare-urls)


40-40: Bare URL used

(MD034, no-bare-urls)


48-48: Bare URL used

(MD034, no-bare-urls)


49-49: Bare URL used

(MD034, no-bare-urls)


50-50: Link text should be descriptive

(MD059, descriptive-link-text)

🪛 OSV Scanner (2.3.0)
spring-wolf-example/pom.xml

[MEDIUM] 1-1: org.apache.commons:commons-lang3 3.17.0: Apache Commons Lang is vulnerable to Uncontrolled Recursion when processing long inputs

(GHSA-j288-q9x7-2f5v)


[HIGH] 1-1: org.lz4:lz4-java 1.8.0: yawkat LZ4 Java has a possible information leak in Java safe decompressor

(GHSA-cmp6-m4wj-q63q)


[HIGH] 1-1: org.lz4:lz4-java 1.8.0: LZ4 Java Compression has Out-of-bounds memory operations which can cause DoS

(GHSA-vqf4-7m7x-wgfc)

🪛 Shellcheck (0.11.0)
spring-wolf-example/docker/kafka/create_topic.sh

[info] 4-4: Double quote to prevent globbing and word splitting.

(SC2086)


[info] 4-4: Double quote to prevent globbing and word splitting.

(SC2086)


[info] 11-11: Double quote to prevent globbing and word splitting.

(SC2086)


[info] 11-11: Double quote to prevent globbing and word splitting.

(SC2086)

🪛 YAMLlint (1.37.1)
spring-wolf-example/.github/maven.yml

[warning] 3-3: truthy value should be one of [false, true]

(truthy)


[error] 14-14: too many spaces inside brackets

(brackets)


[error] 14-14: too many spaces inside brackets

(brackets)


[error] 15-15: too many spaces inside brackets

(brackets)


[error] 15-15: too many spaces inside brackets

(brackets)

spring-wolf-example/compose.yaml

[error] 46-46: too many spaces inside brackets

(brackets)


[error] 46-46: too many spaces inside brackets

(brackets)

.github/workflows/springwolf-example.yml

[warning] 3-3: truthy value should be one of [false, true]

(truthy)


[error] 23-23: too many spaces inside brackets

(brackets)


[error] 23-23: too many spaces inside brackets

(brackets)


[error] 24-24: too many spaces inside brackets

(brackets)


[error] 24-24: too many spaces inside brackets

(brackets)

🔇 Additional comments (14)
pom.xml (1)

25-25: Module inclusion for spring-wolf-example looks correct

The new module entry matches the module directory name and existing module structure; no issues here.

spring-wolf-example/src/main/java/com/io/example/SpringWolfExampleApplication.java (1)

1-13: Spring Boot entrypoint is idiomatic

The @SpringBootApplication class and main method follow standard Spring Boot conventions; nothing to change here.

spring-wolf-example/.gitattributes (1)

1-2: Line-ending settings for wrapper scripts look good

The attributes for mvnw and *.cmd are appropriate for cross-platform wrapper usage.

spring-wolf-example/.mvn/wrapper/maven-wrapper.properties (1)

1-3: Maven wrapper configuration is consistent

Wrapper properties are well-formed and align with the presence of mvnw/mvnw.cmd in the module; no issues from this diff.

spring-wolf-example/src/main/java/com/io/example/dto/KafkaDto.java (1)

1-3: DTO record is minimal and appropriate

Using a Java record for KafkaDto keeps the example concise and idiomatic; no changes needed.

spring-wolf-example/.gitignore (1)

1-33: Module-level .gitignore looks good

Patterns are standard for a Spring module and consistent with typical tooling; no changes needed.

spring-wolf-example/.dockerignore (1)

1-62: .dockerignore is comprehensive and appropriate

The ignore patterns nicely minimize build context (VCS, IDE, build outputs, temp files) and align with typical Java/Spring Docker setups; no changes needed.

spring-wolf-example/src/main/resources/application-prd.yaml (1)

1-58: Production config wiring looks consistent; verify env vars in deployment

The bindings, Springwolf docket, and Kafka publishing config are internally consistent (all referencing kafka.server and kafka.topics.simple-topic); the main thing to double‑check is that SPRING_WOLF_ENABLED, KAFKA_SERVER, and KAFKA_SIMPLE_TOPIC are set correctly in the prod environment / compose overrides.

spring-wolf-example/compose.yaml (1)

3-17: App service configuration looks appropriate.

The hardcoded container_name: app aligns with the CI pipeline requirements per project conventions. Environment variables properly override application defaults for Docker environment.

spring-wolf-example/mvnw.cmd (1)

1-189: Standard Maven Wrapper script.

This is the official Apache Maven Wrapper script (version 3.3.4). No custom modifications detected. The script properly handles distribution download, checksum validation, and cross-platform support.

spring-wolf-example/src/main/java/com/io/example/producer/KafkaProducer.java (1)

14-41: Clean Springwolf integration pattern.

The producer implementation demonstrates proper usage of Springwolf's @AsyncPublisher annotation with @AsyncOperation for documenting the Kafka channel, combined with Spring Cloud Stream's StreamBridge for message publishing. This is a good example pattern for the project.

spring-wolf-example/mvnw (1)

1-295: Standard Maven Wrapper script.

This is the official Apache Maven Wrapper shell script (version 3.3.4). No custom modifications detected. The script properly handles:

  • Multiple download methods (wget, curl, Java fallback)
  • SHA-256 checksum validation
  • Platform detection (Cygwin, MinGW, AIX, macOS, Linux)
  • Maven Daemon (mvnd) support
  • Snapshot distribution handling
spring-wolf-example/pom.xml (2)

7-12: Spring Boot 3.5.8 is a valid, released version available from Maven Central (released November 20, 2025) and poses no availability concerns for this dependency.

Likely an incorrect or invalid review comment.


43-53: Springwolf library versions are current and compatible.

Versions 1.20.0 for springwolf-ui and springwolf-kafka are the latest stable releases (as of December 2025) and are compatible with Spring Boot 3.5.x. No action needed.

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Actionable comments posted: 3

Caution

Some comments are outside the diff and can’t be posted inline due to platform limitations.

⚠️ Outside diff range comments (1)
README.md (1)

15-30: Fix markdownlint MD058 by adding blank lines around the table.

Add an empty line before the table (after Line 16) and after the last row (before Line 30) to satisfy blanks-around-tables.

 Below you will find a summary table of each subproject. For more details, please refer to the individual README.md files.
 
 | Name                                                                      | Description                                                                       |
 |---------------------------------------------------------------------------|-----------------------------------------------------------------------------------|
 | [Spring Boot + Spring Batch + Database](./spring-batch-db-examples)       | Demonstrates a basic integration between Spring Batch and Databases               |
 | [Spring Boot + Spring Batch + File](./spring-batch-file-examples)         | Demonstrates a basic integration between Spring Batch and Files                   |
 | [Spring Boot + Jasper](./spring-jasper-example)                           | Demonstrates a basic integration between Spring Boot and Jasper.                  |
 | [Spring Boot Multi Module](./spring-multimodule-example)                  | Basic demonstration of multi-module configuration in Spring Boot                  |
 | [Spring Boot + Kafka](./spring-kafka-example)                             | Demonstrates a basic integration between Spring Boot and Apache Kafka.            |
 | [Spring Boot + Keycloak](./spring-keycloak-example)                       | Demonstrates a basic integration between Spring Boot and Keycloak.                |
 | [Spring Boot + Oracle](./spring-oracle-example)                           | Demonstrates a basic integration between Spring Boot and Oracle.                  |
 | [Spring Boot + Postgres](./spring-postgres-example)                       | Demonstrates a basic integration between Spring Boot and Postgres.                |
 | [Spring Boot + Mysql](./spring-mysql-example)                             | Demonstrates a basic integration between Spring Boot and Mysql.                   |
 | [Spring Boot + Grafana + Prometheus](./spring-prometheus-grafana-example) | Demonstrates a basic integration between Spring Boot With Grafana and Prometheus. |
 | [Spring Boot + Spring Wolf](./spring-wolf-example)                        | Demonstrates a basic integration between Spring Boot and Spring Wolf.             |
+
 ---
♻️ Duplicate comments (2)
spring-wolf-example/src/main/java/com/io/example/producer/KafkaProducer.java (1)

26-33: Header type-id is now correct; consider deriving it from KafkaDto.class.getName() to avoid drift.

spring-wolf-example/compose.yaml (1)

40-57: Make kafka-init wait for Kafka readiness + fix YAMLlint bracket spacing.
depends_on: service_started can still race Kafka readiness; and YAMLlint flags the command array spacing. Also keep container_name as-is (CI requirement). Based on learnings, ...

   kafka:
     image: apache/kafka:4.1.1
     container_name: kafka
@@
     networks:
       - kafka-net
+    healthcheck:
+      test: ["CMD-SHELL", "bash -lc 'echo > /dev/tcp/localhost/9092'"]
+      interval: 5s
+      timeout: 3s
+      retries: 30

   kafka-init:
     container_name: kafka-init
     image: apache/kafka:4.1.1
     depends_on:
       kafka:
-        condition: service_started
+        condition: service_healthy
-    command: [ "/bin/bash", "-c", "/create_topic.sh" ]
+    command: ["/bin/bash", "-c", "/create_topic.sh"]
📜 Review details

Configuration used: CodeRabbit UI

Review profile: ASSERTIVE

Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 8ef7b94 and 37678f3.

📒 Files selected for processing (5)
  • README.md (1 hunks)
  • spring-wolf-example/compose.yaml (1 hunks)
  • spring-wolf-example/src/main/java/com/io/example/consumer/KafkaConsumer.java (1 hunks)
  • spring-wolf-example/src/main/java/com/io/example/producer/KafkaProducer.java (1 hunks)
  • spring-wolf-example/src/main/java/com/io/example/util/ConstantsUtil.java (1 hunks)
🧰 Additional context used
🧠 Learnings (4)
📓 Common learnings
Learnt from: igorcampos-dev
Repo: igorcampos-dev/spring-integrations-examples PR: 40
File: spring-kafka-example/src/main/java/com/io/example/producer/KafkaProducerServiceImpl.java:26-26
Timestamp: 2025-07-27T19:48:52.891Z
Learning: In the spring-kafka-example project, user igorcampos-dev is comfortable with logging complete message objects in Kafka producer implementations and does not consider it a security concern, indicating no sensitive data is involved or other security measures are in place.
Learnt from: igorcampos-dev
Repo: igorcampos-dev/spring-integrations-examples PR: 40
File: spring-kafka-example/src/main/java/com/io/example/consumer/KafkaConsumerServiceImpl.java:18-22
Timestamp: 2025-07-27T19:57:31.204Z
Learning: In the spring-integrations-examples project, user igorcampos-dev prefers to keep simple example implementations minimal without additional error handling complexity, as the examples are for demonstration purposes rather than production use.
Learnt from: igorcampos-dev
Repo: igorcampos-dev/spring-integrations-examples PR: 21
File: spring-kafka-example/README.md:12-17
Timestamp: 2025-07-22T01:35:41.406Z
Learning: User igorcampos-dev prefers minimal, high-level documentation in README files without detailed version specifications, choosing to keep tech stack information simple rather than adding precise version numbers.
Learnt from: igorcampos-dev
Repo: igorcampos-dev/spring-integrations-examples PR: 21
File: spring-kafka-example/compose.yaml:30-32
Timestamp: 2025-07-22T01:30:57.054Z
Learning: User igorcampos-dev prefers to maintain environment parity between local development and production, avoiding development-specific configurations like ALLOW_PLAINTEXT_LISTENER even when they might provide clearer intent or safety nets.
Learnt from: igorcampos-dev
Repo: igorcampos-dev/spring-integrations-examples PR: 26
File: spring-kafka-example/compose.yaml:3-4
Timestamp: 2025-07-24T01:40:49.337Z
Learning: User igorcampos-dev requires hard-coded container names in Docker Compose files (like `container_name: app`) for CI pipeline validation purposes, which is a valid operational requirement that overrides the general best practice of avoiding hard-coded container names.
📚 Learning: 2025-07-27T19:48:52.891Z
Learnt from: igorcampos-dev
Repo: igorcampos-dev/spring-integrations-examples PR: 40
File: spring-kafka-example/src/main/java/com/io/example/producer/KafkaProducerServiceImpl.java:26-26
Timestamp: 2025-07-27T19:48:52.891Z
Learning: In the spring-kafka-example project, user igorcampos-dev is comfortable with logging complete message objects in Kafka producer implementations and does not consider it a security concern, indicating no sensitive data is involved or other security measures are in place.

Applied to files:

  • spring-wolf-example/src/main/java/com/io/example/consumer/KafkaConsumer.java
  • spring-wolf-example/src/main/java/com/io/example/producer/KafkaProducer.java
📚 Learning: 2025-07-27T19:48:29.678Z
Learnt from: igorcampos-dev
Repo: igorcampos-dev/spring-integrations-examples PR: 40
File: spring-kafka-example/src/main/java/com/io/example/producer/KafkaProducerServiceImpl.java:25-29
Timestamp: 2025-07-27T19:48:29.678Z
Learning: In the spring-kafka-example project, the message parameter in KafkaProducerServiceImpl.sendMessage(MessageRequestDtoRequest message) is guaranteed to never be null due to the application's design/validation constraints, making null checking unnecessary.

Applied to files:

  • spring-wolf-example/src/main/java/com/io/example/producer/KafkaProducer.java
📚 Learning: 2025-07-27T19:57:31.204Z
Learnt from: igorcampos-dev
Repo: igorcampos-dev/spring-integrations-examples PR: 40
File: spring-kafka-example/src/main/java/com/io/example/consumer/KafkaConsumerServiceImpl.java:18-22
Timestamp: 2025-07-27T19:57:31.204Z
Learning: In the spring-integrations-examples project, user igorcampos-dev prefers to keep simple example implementations minimal without additional error handling complexity, as the examples are for demonstration purposes rather than production use.

Applied to files:

  • README.md
🧬 Code graph analysis (2)
spring-wolf-example/src/main/java/com/io/example/consumer/KafkaConsumer.java (1)
spring-wolf-example/src/main/java/com/io/example/util/ConstantsUtil.java (1)
  • ConstantsUtil (3-5)
spring-wolf-example/src/main/java/com/io/example/producer/KafkaProducer.java (3)
spring-wolf-example/src/main/java/com/io/example/util/ConstantsUtil.java (1)
  • ConstantsUtil (3-5)
spring-kafka-example/src/main/java/com/io/example/producer/KafkaProducerService.java (2)
  • KafkaProducerService (5-8)
  • sendMessage (7-7)
spring-kafka-example/src/main/java/com/io/example/producer/KafkaProducerServiceImpl.java (2)
  • KafkaProducerServiceImpl (11-31)
  • sendMessage (24-29)
🪛 markdownlint-cli2 (0.18.1)
README.md

29-29: Tables should be surrounded by blank lines

(MD058, blanks-around-tables)

🪛 YAMLlint (1.37.1)
spring-wolf-example/compose.yaml

[error] 46-46: too many spaces inside brackets

(brackets)


[error] 46-46: too many spaces inside brackets

(brackets)

🔇 Additional comments (1)
spring-wolf-example/src/main/java/com/io/example/consumer/KafkaConsumer.java (1)

20-37: AsyncAPI/Springwolf header metadata now matches KafkaDto package.
The DEFAULT_CLASSID_FIELD_NAME value is aligned to com.io.example.dto.KafkaDto.

…emove unnecessary annotation from KafkaConsumer
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Actionable comments posted: 1

📜 Review details

Configuration used: CodeRabbit UI

Review profile: ASSERTIVE

Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 37678f3 and 85dfa9a.

📒 Files selected for processing (2)
  • .github/labeler.yml (1 hunks)
  • spring-wolf-example/src/main/java/com/io/example/consumer/KafkaConsumer.java (1 hunks)
🧰 Additional context used
🧠 Learnings (3)
📓 Common learnings
Learnt from: igorcampos-dev
Repo: igorcampos-dev/spring-integrations-examples PR: 40
File: spring-kafka-example/src/main/java/com/io/example/producer/KafkaProducerServiceImpl.java:26-26
Timestamp: 2025-07-27T19:48:52.891Z
Learning: In the spring-kafka-example project, user igorcampos-dev is comfortable with logging complete message objects in Kafka producer implementations and does not consider it a security concern, indicating no sensitive data is involved or other security measures are in place.
Learnt from: igorcampos-dev
Repo: igorcampos-dev/spring-integrations-examples PR: 21
File: spring-kafka-example/README.md:12-17
Timestamp: 2025-07-22T01:35:41.406Z
Learning: User igorcampos-dev prefers minimal, high-level documentation in README files without detailed version specifications, choosing to keep tech stack information simple rather than adding precise version numbers.
Learnt from: igorcampos-dev
Repo: igorcampos-dev/spring-integrations-examples PR: 21
File: spring-kafka-example/compose.yaml:30-32
Timestamp: 2025-07-22T01:30:57.054Z
Learning: User igorcampos-dev prefers to maintain environment parity between local development and production, avoiding development-specific configurations like ALLOW_PLAINTEXT_LISTENER even when they might provide clearer intent or safety nets.
Learnt from: igorcampos-dev
Repo: igorcampos-dev/spring-integrations-examples PR: 26
File: spring-kafka-example/compose.yaml:3-4
Timestamp: 2025-07-24T01:40:49.337Z
Learning: User igorcampos-dev requires hard-coded container names in Docker Compose files (like `container_name: app`) for CI pipeline validation purposes, which is a valid operational requirement that overrides the general best practice of avoiding hard-coded container names.
📚 Learning: 2025-07-27T19:48:52.891Z
Learnt from: igorcampos-dev
Repo: igorcampos-dev/spring-integrations-examples PR: 40
File: spring-kafka-example/src/main/java/com/io/example/producer/KafkaProducerServiceImpl.java:26-26
Timestamp: 2025-07-27T19:48:52.891Z
Learning: In the spring-kafka-example project, user igorcampos-dev is comfortable with logging complete message objects in Kafka producer implementations and does not consider it a security concern, indicating no sensitive data is involved or other security measures are in place.

Applied to files:

  • spring-wolf-example/src/main/java/com/io/example/consumer/KafkaConsumer.java
📚 Learning: 2025-07-27T19:51:52.736Z
Learnt from: igorcampos-dev
Repo: igorcampos-dev/spring-integrations-examples PR: 40
File: spring-kafka-example/src/main/java/com/io/example/consumer/KafkaConsumerService.java:3-3
Timestamp: 2025-07-27T19:51:52.736Z
Learning: In the spring-integrations-examples project, user igorcampos-dev uses SuppressWarnings("unused") annotations to suppress IntelliJ IDEA alerts, and these annotations should not be suggested for removal as they serve a specific purpose in their development workflow.

Applied to files:

  • spring-wolf-example/src/main/java/com/io/example/consumer/KafkaConsumer.java
🧬 Code graph analysis (1)
spring-wolf-example/src/main/java/com/io/example/consumer/KafkaConsumer.java (2)
spring-wolf-example/src/main/java/com/io/example/util/ConstantsUtil.java (1)
  • ConstantsUtil (3-5)
spring-wolf-example/src/main/java/com/io/example/producer/KafkaProducer.java (1)
  • Component (14-42)
🔇 Additional comments (3)
.github/labeler.yml (1)

29-32: Label glob now matches the actual module directory.

This fixes the earlier hyphen mismatch, so the label should correctly apply to changes under spring-wolf-example/.

spring-wolf-example/src/main/java/com/io/example/consumer/KafkaConsumer.java (2)

15-17: Previous issue resolved: @RequiredArgsConstructor removed.

The unnecessary annotation has been removed as requested in the previous review.


19-36: Previous issue resolved: FQCN corrected.

The header type-id value now correctly uses "com.io.example.dto.KafkaDto", matching the actual DTO package. The AsyncAPI annotations are properly configured, and the consumer implementation correctly logs the received message.

@igorcampos-dev igorcampos-dev merged commit c0b9083 into master Dec 13, 2025
3 checks passed
@igorcampos-dev igorcampos-dev deleted the feature/spring-wolf branch December 13, 2025 01:40
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