Dockerize application using docker-compose with PostgreSQL

docker-compose.yml

@@ -0,0 +1,38 @@
+version: '3.8'
+
+services:
+  db:
+    image: postgres:15-alpine
+    container_name: ballet_db
+    environment:
+      POSTGRES_USER: ${POSTGRES_USER:-ballet_user}
+      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD:-ballet_pass}
+      POSTGRES_DB: ${POSTGRES_DB:-ballet_prod}
+    volumes:
+      - postgres_data:/var/lib/postgresql/data
+    expose:
+      - 5432
+
+  backend:
+    build: ./backend
+    container_name: ballet_backend
+    environment:
+      DATABASE_URL: postgresql://${POSTGRES_USER:-ballet_user}:${POSTGRES_PASSWORD:-ballet_pass}@db:5432/${POSTGRES_DB:-ballet_prod}
+      SECRET_KEY: ${SECRET_KEY:-yoursecretkeyhere}
+    depends_on:
+      - db
+    ports:
+      - "8000:8000"
+
+  frontend:
+    build: ./frontend
+    container_name: ballet_frontend
+    environment:
+      API_URL: http://backend:8000
+    depends_on:
+      - backend
+    ports:
+      - "8080:8080"
+
+volumes:
+  postgres_data: