Updated main (HPA configuration update)

.github/workflows/main.yml

@@ -95,10 +95,10 @@ jobs:
         run: |
           helm repo add traefik https://traefik.github.io/charts
           helm repo update
-          helm upgrade --install traefik traefik/traefik -n $CLUSTER_NAME -f traefik/values.yaml
-
-          kubectl apply -n $CLUSTER_NAME -f traefik/cors.yaml
-          kubectl apply -n $CLUSTER_NAME -f traefik/strip-prefix.yaml
+
+          helm upgrade --install traefik traefik/traefik -n $CLUSTER_NAME -f traefik/resources.yaml
+          kubectl apply -n $CLUSTER_NAME -f traefik/ingress.yaml
+          kubectl apply -n $CLUSTER_NAME -f traefik/hpa-config.yaml
 
       - name: Create Kubernetes secrets
         run: |

code/kubernetes/grpc-gateway/deployment.yaml

@@ -96,7 +96,7 @@ spec:
     kind: Deployment
     name: grpc-gateway
   minReplicas: 1
-  maxReplicas: 3
+  maxReplicas: 4
   metrics:
     - type: Resource
       resource:

code/kubernetes/scripts/deploy.sh

@@ -50,10 +50,10 @@ cd "$SCRIPT_DIR/.." || exit 1
 # Deploy traefik
 helm repo add traefik https://traefik.github.io/charts
 helm repo update
-helm upgrade --install traefik traefik/traefik -n $CLUSTER_NAME -f traefik/values.yaml
 
-kubectl apply -n $CLUSTER_NAME -f traefik/cors.yaml
-kubectl apply -n $CLUSTER_NAME -f traefik/strip-prefix.yaml
+helm upgrade --install traefik traefik/traefik -n $CLUSTER_NAME -f traefik/resources.yaml
+kubectl apply -n $CLUSTER_NAME -f traefik/ingress.yaml
+kubectl apply -n $CLUSTER_NAME -f traefik/hpa-config.yaml
 
 # Deploy threadit application
 kubectl create secret generic "bucket-secret" \

code/kubernetes/traefik/hpa-config.yaml

@@ -0,0 +1,18 @@
+apiVersion: autoscaling/v2
+kind: HorizontalPodAutoscaler
+metadata:
+  name: traefik-hpa
+spec:
+  scaleTargetRef:
+    apiVersion: apps/v1
+    kind: Deployment
+    name: traefik
+  minReplicas: 1
+  maxReplicas: 3
+  metrics:
+    - type: Resource
+      resource:
+        name: cpu
+        target:
+          type: Utilization
+          averageUtilization: 80

code/kubernetes/traefik/cors.yaml → code/kubernetes/traefik/ingress.yaml

@@ -1,4 +1,31 @@
 apiVersion: traefik.io/v1alpha1
+kind: IngressRoute
+metadata:
+  name: grpc-gateway
+spec:
+  entryPoints:
+  - web
+  - websecure
+  routes:
+  - match: PathPrefix(`/api`)
+    kind: Rule
+    services:
+    - name: grpc-gateway
+      port: 80
+    middlewares:
+    - name: cors
+    - name: strip-prefix
+---
+apiVersion: traefik.io/v1alpha1
+kind: Middleware
+metadata:
+  name: strip-prefix
+spec:
+  stripPrefix:
+    prefixes:
+      - /api
+---
+apiVersion: traefik.io/v1alpha1
 kind: Middleware
 metadata:
   name: cors

code/kubernetes/traefik/resources.yaml

@@ -0,0 +1,11 @@
+# Resource configuration for traefik
+
+replicaCount: 1
+
+resources:
+  requests:
+    cpu: 40m
+    memory: 80Mi
+  limits:
+    cpu: 120m
+    memory: 240Mi