Use docker compose up --build to rebuild images before starting.
services: app: # always starts
Start with debug tools: docker compose --profile debug up a developer's essential guide to docker compose pdf
db: image: postgres:13 volumes: - postgres_data:/var/lib/postgresql/data environment: POSTGRES_DB: mydb POSTGRES_USER: user POSTGRES_PASSWORD: password Use docker compose up --build to rebuild images
# .env DB_PASSWORD=devpass API_PORT=3000 environment: - DB_PASSWORD=$DB_PASSWORD you orchestrate all your app’s services
is a tool for defining and running multi-container Docker applications. With a single YAML file, you orchestrate all your app’s services, networks, and volumes.