diff --git a/PRA04_ANSWER/app3.dockerfile b/PRA04_ANSWER/app3.dockerfile
new file mode 100644
index 00000000..b375e7d7
--- /dev/null
+++ b/PRA04_ANSWER/app3.dockerfile
@@ -0,0 +1,14 @@
+# Use an official lightweight Nginx image
+FROM nginx:alpine
+
+# Set the working directory to /usr/share/nginx/html
+WORKDIR /usr/share/nginx/html
+
+# Copy the static files from the dist directory to the container
+COPY dist /usr/share/nginx/html
+
+# Expose port 80 for the web server
+EXPOSE 80
+
+# Command to run when the container starts
+CMD ["nginx", "-g", "daemon off;"]
diff --git a/PRA04_ANSWER/book.dockerfile b/PRA04_ANSWER/book.dockerfile
new file mode 100644
index 00000000..9f7044fa
--- /dev/null
+++ b/PRA04_ANSWER/book.dockerfile
@@ -0,0 +1,9 @@
+FROM openjdk:21-slim
+
+WORKDIR /app
+
+COPY BooksPageable-0.0.1-SNAPSHOT.jar app.jar
+
+EXPOSE 8088
+
+CMD ["java", "-jar", "app.jar", "--server.port=8088"]
diff --git a/PRA04_ANSWER/index.qmd b/PRA04_ANSWER/index.qmd
new file mode 100644
index 00000000..759fde7c
--- /dev/null
+++ b/PRA04_ANSWER/index.qmd
@@ -0,0 +1,6 @@
+---
+title: "Configuración y contenedorización de Docker para aplicaciones Spring Boot y React"
+
+author: "Boris"
+---
+[Docker](https://borizsam.github.io/Proyecto-Dev/docker.html)
\ No newline at end of file