Migrate on_call_staging_test workflow to use Docker Compose with improved CI integration

.github/scripts/staging/Dockerfile

@@ -1,3 +1,9 @@
-FROM centos/httpd:latest
-COPY . /var/www/html/
-COPY http2.conf /etc/httpd/conf/httpd.conf
+FROM httpd:2.4.64
+
+# Install curl for healthcheck
+RUN apt-get update && apt-get install -y curl && rm -rf /var/lib/apt/lists/*
+
+# Copy the built site content (context is _site directory)
+COPY . /usr/local/apache2/htdocs/
+# Copy the Apache configuration (copied to _site in workflow as httpd.conf)
+COPY httpd.conf /usr/local/apache2/conf/httpd.conf

.github/workflows/on_call_staging_test.yaml

@@ -14,30 +14,31 @@ jobs:
       - name: extract site artifact
         run: |
           tar -xzf _site.tar.gz
-      - name: Prepare for docker build
-        run: |
-          cp .github/scripts/staging/Dockerfile _site/
-          cp .github/scripts/staging/http2.conf _site/
 
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
 
-      - name: Build the container
-        uses: docker/build-push-action@v6
-        with:
-          context: "_site"
-          tags: orionrobots:latest
-          cache-from: type=gha
-          cache-to: type=gha,mode=max
-          push: false
-          load: true
-
+      - name: Prepare staging context  
+        run: |
+          # Copy staging files into the _site directory for the docker build
+          cp .github/scripts/staging/default.conf _site/httpd.conf
+
       - name: Run as service and test
         run: |
-          docker run --rm -d -p8080:80 --name orionrobots orionrobots:latest
-          # Wait for the service to start
-          sleep 10
-          curl -I -L -f http://localhost:8080/
-          curl -I -L -f http://localhost:8080/construction_guide.html
-          curl -I -L -f http://localhost:8080/wiki/lego
-          docker stop orionrobots
+          # Start the staging service using docker compose with --wait for health checks
+          # Use CI-specific override for GitHub Actions cache
+          docker compose -f docker-compose.yml -f docker-compose.ci.yml up -d --build --wait staging
+
+          # Perform the tests
+          set +e  # Don't exit on error so we can clean up
+          exit_code=0
+
+          curl -I -f http://localhost:8080/ || exit_code=1
+          curl -I -f http://localhost:8080/construction_guide.html || exit_code=1
+          curl -I -f http://localhost:8080/wiki/lego || exit_code=1
+
+          # Stop the service regardless of test outcome
+          docker compose -f docker-compose.yml -f docker-compose.ci.yml stop staging
+
+          # Exit with the test result
+          exit $exit_code

docker-compose.ci.yml

@@ -0,0 +1,7 @@
+services:
+  staging:
+    build:
+      cache_from:
+        - type=gha
+      cache_to:
+        - type=gha,mode=max

docker-compose.yml

@@ -103,3 +103,17 @@ services:
     command: ["http://http_serve"]
     profiles:
       - manual
+
+  # Staging service for on_call_staging_test workflow
+  staging:
+    build:
+      context: ./_site
+      dockerfile: ../.github/scripts/staging/Dockerfile
+    ports:
+      - 8080:80
+    healthcheck:
+      test: ["CMD", "curl", "-o", "/dev/null", "-s", "http://localhost"]
+      interval: 10s
+      timeout: 5s
+      retries: 5
+      start_period: 30s