Merge pull request #25 from TheSecretOrganization/23-create-action-to…

…-build-containers

Workflow to check that containers are running

.github/workflows/deployment-check.yml

@@ -0,0 +1,47 @@
+name: Deployment Check
+on:
+  push:
+    branches:
+     - main
+  pull_request:
+    types: [opened, synchronize, reopened]
+jobs:
+  docker-compose:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout Code
+        uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+
+      - name: Create .env file
+        run: |
+          cat << EOF > .env
+          SECRET_KEY="foo"
+          DJANGO_SUPERUSER_USERNAME="bar"
+          DJANGO_SUPERUSER_EMAIL="[email protected]"
+          DJANGO_SUPERUSER_PASSWORD="foobar"
+          DJANGO_ALLOWED_HOSTS=localhost
+          DJANGO_CSRF_TRUSTED_ORIGINS=http://localhost
+          POSTGRES_DB="foodb"
+          POSTGRES_USER="bar"
+          POSTGRES_PASSWORD="foobar"
+          EOF
+
+      - name: Build and start Docker containers
+        run: docker compose up --build -d
+
+      - name: Wait for services to initialize
+        run: sleep 30
+
+      - name: Perform health checks
+        run: |
+          services=$(docker compose ps --services)
+          for service in $services; do
+            status=$(docker inspect -f '{{.State.Health.Status}}' $service)
+            if [ "$status" != "healthy" ]; then
+              echo "$service is not healthy"
+              exit 1
+            fi
+          done

django/src/rendering/management/commands/healthcheck.py

@@ -0,0 +1,15 @@
+from django.core.management.base import BaseCommand
+from django.db import connections
+from django.db.utils import OperationalError
+
+class Command(BaseCommand):
+    help = 'Perform a health check'
+
+    def handle(self, *args, **kwargs):
+        db_conn = connections['default']
+        try:
+            db_conn.cursor()
+            self.stdout.write(self.style.SUCCESS('Health check passed'))
+        except OperationalError:
+            self.stdout.write(self.style.ERROR('Database is unavailable'))
+            exit(1)

docker-compose.yml

@@ -21,6 +21,12 @@ services:
     depends_on:
       postgres:
         condition: service_healthy
+    healthcheck:
+      test: ["CMD-SHELL", "python manage.py healthcheck || exit 1"]
+      interval: 2s
+      timeout: 2s
+      retries: 5
+      start_period: 5s
 
   nginx:
     container_name: nginx
@@ -35,7 +41,14 @@ services:
       - static-files:/static
       - media-files:/media
     depends_on:
-      - django
+      django:
+        condition: service_healthy
+    healthcheck:
+      test: ["CMD-SHELL", "curl -o /dev/null -s -w '%{http_code}' http://localhost/ | grep 200 || exit 1"]
+      interval: 2s
+      timeout: 2s
+      retries: 5
+      start_period: 5s
 
   postgres:
     container_name: postgres
@@ -52,7 +65,7 @@ services:
     env_file:
       - .env
     healthcheck:
-      test: ["CMD-SHELL", "pg_isready -U ${POSTGRES_USER} -d ${POSTGRES_DB}"]
+      test: ["CMD-SHELL", "pg_isready -U ${POSTGRES_USER} -d ${POSTGRES_DB} || exit 1"]
       interval: 2s
       timeout: 2s
       retries: 5