docker-cgwire/docker-compose.dbUpgrade.yml at master · mathbou/docker-cgwire · GitHub

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x-base: &base
    restart: always
    networks:
        - internal

services:
    old-db:
        <<: *base
        container_name: ${COMPOSE_PROJECT_NAME:?}-db-${OLD_VERSION:?}
        image: postgres:${OLD_VERSION:?}-alpine
        volumes:
            - 'oldDb:${OLD_DB_DATA_PATH:?}'
            - "sharedDbTmp:/tmp"
        environment:
            - POSTGRES_HOST_AUTH_METHOD=trust
        healthcheck:
            test: "pg_isready -d zoudb -U postgres"
    new-db:
        <<: *base
        container_name: ${COMPOSE_PROJECT_NAME:?}-db-${NEW_VERSION:?}
        image: postgres:${NEW_VERSION:?}-alpine
        volumes:
            - 'newDb:${NEW_DB_DATA_PATH:?}'
            - "sharedDbTmp:/tmp"
        environment:
            - POSTGRES_HOST_AUTH_METHOD=trust
        healthcheck:
            test: "pg_isready"

volumes:
    oldDb:
        name: ${COMPOSE_PROJECT_NAME:?}-db-${OLD_VERSION:?}
    newDb:
        name: ${COMPOSE_PROJECT_NAME:?}-db-${NEW_VERSION:?}
    sharedDbTmp:
        name: ${COMPOSE_PROJECT_NAME:?}-db-tmp

networks:
    internal:
        name: ${COMPOSE_PROJECT_NAME:?}-internal