sending email async with celery

docker-compose.yml

@@ -12,11 +12,18 @@ services:
       - POSTGRES_USER=postgres
       - POSTGRES_PASSWORD=postgres
       - POSTGRES_DB=docupulse
+      - REDIS_URL=redis://redis:6379/0
     volumes:
       - uploads:/app/uploads
     depends_on:
       - db
+      - redis
     restart: unless-stopped
+    healthcheck:
+      test: ["CMD", "curl", "-f", "http://localhost:5000/health"]
+      interval: 30s
+      timeout: 10s
+      retries: 3
     deploy:
       resources:
         limits:
@@ -32,6 +39,48 @@ services:
     volumes:
       - postgres_data:/var/lib/postgresql/data
     restart: unless-stopped
+    healthcheck:
+      test: ["CMD-SHELL", "pg_isready -U postgres"]
+      interval: 30s
+      timeout: 10s
+      retries: 3
+
+  redis:
+    image: redis:7
+    ports:
+      - "6379:6379"
+    restart: unless-stopped
+    healthcheck:
+      test: ["CMD", "redis-cli", "ping"]
+      interval: 30s
+      timeout: 10s
+      retries: 3
+
+  celery_worker:
+    build: .
+    command: celery -A celery_worker.celery worker --loglevel=info
+    environment:
+      - FLASK_APP=app.py
+      - FLASK_ENV=production
+      - DATABASE_URL=postgresql://postgres:postgres@db:5432/docupulse
+      - REDIS_URL=redis://redis:6379/0
+    volumes:
+      - .:/app
+    depends_on:
+      - web
+      - redis
+      - db
+    restart: unless-stopped
+    healthcheck:
+      test: ["CMD", "celery", "-A", "celery_worker.celery", "inspect", "ping"]
+      interval: 30s
+      timeout: 10s
+      retries: 3
+    deploy:
+      resources:
+        limits:
+          cpus: '0.5'
+          memory: 512M
 
 volumes:
   postgres_data: