siujamo
f5546b23ba
- Add docker-compose.yaml with POSTGRES_USER, POSTGRES_PASSWORD, and POSTGRES_DB environment variables - Add .env.example with documented defaults - Remove Contents section from README
34 lines
1.2 KiB
YAML
34 lines
1.2 KiB
YAML
# Docker Compose file for PostgreSQL (Alpine)
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#
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# Usage:
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# docker compose up -d
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#
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# Environment variables (see .env.example for details):
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# POSTGRES_USER - Superuser name (default: postgres)
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# POSTGRES_PASSWORD - Superuser password (default: postgres)
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# POSTGRES_DB - Default database created on first start (default: postgres)
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services:
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postgres:
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# For available image tags, see https://hub.docker.com/_/postgres
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image: postgres:18-alpine
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container_name: postgres
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environment:
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# Superuser name. Defaults to "postgres" if not set.
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- POSTGRES_USER=${POSTGRES_USER:-postgres}
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# Superuser password.
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# Default value is for local development only — change for production.
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- POSTGRES_PASSWORD=${POSTGRES_PASSWORD:-postgres}
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# Database created automatically on first start.
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# Defaults to the value of POSTGRES_USER if not set.
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- POSTGRES_DB=${POSTGRES_DB:-postgres}
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ports:
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# Map host port 5432 to container port 5432 (PostgreSQL default).
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- "5432:5432"
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volumes:
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# Persist data beyond container lifetime.
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- postgres_data:/var/lib/postgresql/data
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volumes:
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postgres_data:
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