Edit GH actions workflow file

.github/workflows/ci.yml

@@ -1,57 +1,58 @@
-name: Java CI with Maven
+name: Java CI with Maven (multi-job)
 
 on:
   workflow_dispatch:
   pull_request:
     branches: [ main ]
 
 jobs:
-  build:
+  checkout:
     runs-on: ubuntu-latest
-
-    services:
-      redis:
-        image: redis:latest
-        ports: [ "6379:6379" ]
-        # Healthcheck so dependent steps wait until ready
-        options: >-
-          --health-cmd "redis-cli ping || exit 1"
-          --health-interval 5s
-          --health-timeout 3s
-          --health-retries 20
-
-      postgres:
-        image: postgres:16
-        env:
-          POSTGRES_DB: session_db
-          POSTGRES_USER: postgres
-          POSTGRES_PASSWORD: password
-        ports: [ "5432:5432" ]
-        # Healthcheck so we can safely run psql next
-        options: >-
-          --health-cmd "pg_isready -U postgres -d session_db"
-          --health-interval 5s
-          --health-timeout 3s
-          --health-retries 20
-
     steps:
       - uses: actions/checkout@v5
 
+  setup-java:
+    runs-on: ubuntu-latest
+    needs: [checkout]
+    steps:
+      - uses: actions/checkout@v5
       - name: Set up JDK 21
         uses: actions/setup-java@v5
         with:
           java-version: '21'
           distribution: 'temurin'
           cache: 'maven'
 
-      - name: Grant execute permission for mvnw
-        run: chmod +x ./mvnw
+  chmod-mvnw:
+    runs-on: ubuntu-latest
+    needs: [setup-java]
+    steps:
+      - uses: actions/checkout@v5
+      - run: chmod +x ./mvnw
 
+  install-psql-client:
+    runs-on: ubuntu-latest
+    needs: [chmod-mvnw]
+    steps:
+      - uses: actions/checkout@v5
       - name: Install Postgres client
         run: |
           sudo apt-get update
           sudo apt-get install -y postgresql-client
 
+  redis-ready:
+    runs-on: ubuntu-latest
+    needs: [install-psql-client]
+    services:
+      redis:
+        image: redis:latest
+        ports: [ "6379:6379" ]
+        options: >-
+          --health-cmd "redis-cli ping || exit 1"
+          --health-interval 5s
+          --health-timeout 3s
+          --health-retries 20
+    steps:
       - name: Wait for Redis (defensive)
         run: |
           for i in {1..30}; do
@@ -65,11 +66,31 @@ jobs:
           echo "Redis did not become healthy in time"
           exit 1
 
-      - name: Create Spring Session tables in Postgres
+  postgres-init:
+    runs-on: ubuntu-latest
+    needs: [redis-ready]
+    services:
+      postgres:
+        image: postgres:16
+        env:
+          POSTGRES_DB: session_db
+          POSTGRES_USER: postgres
+          POSTGRES_PASSWORD: password
+        ports: [ "5432:5432" ]
+        options: >-
+          --health-cmd "pg_isready -U postgres -d session_db"
+          --health-interval 5s
+          --health-timeout 3s
+          --health-retries 20
+    steps:
+      - name: Install Postgres client
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y postgresql-client
+      - name: Create Spring Session tables
         env:
           PGPASSWORD: password
         run: |
-          # Wait for Postgres (defensive even with healthcheck)
           until pg_isready -h localhost -p 5432 -U postgres -d session_db; do
             echo "Waiting for Postgres..."
             sleep 2
@@ -103,10 +124,50 @@ jobs:
               REFERENCES SPRING_SESSION(PRIMARY_ID) ON DELETE CASCADE
           );
           SQL
-
       - name: Show Postgres logs (verification)
-        run: |
-          docker logs ${{ job.services.postgres.id }} --since=10m || true
+        run: docker logs ${{ job.services.postgres.id }} --since=10m || true
 
+  build:
+    runs-on: ubuntu-latest
+    needs: [postgres-init]
+    services:
+      redis:
+        image: redis:latest
+        ports: [ "6379:6379" ]
+        options: >-
+          --health-cmd "redis-cli ping || exit 1"
+          --health-interval 5s
+          --health-timeout 3s
+          --health-retries 20
+      postgres:
+        image: postgres:16
+        env:
+          POSTGRES_DB: session_db
+          POSTGRES_USER: postgres
+          POSTGRES_PASSWORD: password
+        ports: [ "5432:5432" ]
+        options: >-
+          --health-cmd "pg_isready -U postgres -d session_db"
+          --health-interval 5s
+          --health-timeout 3s
+          --health-retries 20
+    steps:
+      - uses: actions/checkout@v5
+      - name: Set up JDK 21
+        uses: actions/setup-java@v5
+        with:
+          java-version: '21'
+          distribution: 'temurin'
+          cache: 'maven'
+      - run: chmod +x ./mvnw
+      - name: Wait for services
+        run: |
+          for i in {1..30}; do
+            if echo PING | nc -w 1 localhost 6379 | grep -q PONG; then break; fi
+            echo "Waiting for Redis..."; sleep 1
+          done
+          until pg_isready -h localhost -p 5432 -U postgres -d session_db; do
+            echo "Waiting for Postgres..."; sleep 2
+          done
       - name: Build with Maven (test profile)
         run: ./mvnw clean package -Dspring.profiles.active=test