docker-compose.yml

---

# This docker-compose file has two purposes:
# - it shows how to create a postgres-s3 container
# - it provides regression tests

version: "2"

services:

  # source-db is the 'master' database.
  source-db:
    image: postgres:9.5
    environment:
      POSTGRES_DB: source
      POSTGRES_USER: source_user
      POSTGRES_PASSWORD: source_pass

  # postgres-s3 is the basic backup/restore tool for source-db
  postgres-s3:
    build: postgres-s3
    links:
      - "source-db:database"    # target database should always be called `database`
      - "fake-s3:fake-s3"  # we fake the endpoint
    environment:
      POSTGRES_DB: source
      POSTGRES_USER: source_user
      POSTGRES_PASSWORD: source_pass

      S3_BUCKET: s3://backup.bucket
      S3_ENDPOINT: http://fake-s3:4569    # See http://docs.aws.amazon.com/general/latest/gr/rande.html#s3_region for a list of valid endpoints
      S3_REGION: eu-central-1
      AWS_ACCESS_KEY_ID: FAKE
      AWS_SECRET_ACCESS_KEY: ALSO_FAKE

  # target-db is an empty database we want to restore to
  target-db:
    image: postgres:9.5
    environment:
      POSTGRES_DB: target
      POSTGRES_USER: target_user
      POSTGRES_PASSWORD: target_pass

  # postgres-s3 can read from arbitrary S3 files
  postgres-s3-target:
    build: postgres-s3
    links:
      - "target-db:database"    # target database should always be called `database`
      - "fake-s3:fake-s3"  # we fake the endpoint
    environment:
      POSTGRES_DB: target
      POSTGRES_USER: target_user
      POSTGRES_PASSWORD: target_pass

      S3_BUCKET: s3://backup.bucket
      S3_ENDPOINT: http://fake-s3:4569
      S3_REGION: eu-central-1
      S3_FILE: source.pgdump
      AWS_ACCESS_KEY_ID: FAKE
      AWS_SECRET_ACCESS_KEY: ALSO_FAKE
      PG_RESTORE_ARGS: --no-acl --no-owner

  # fake-s3 is a fake S3 provider so we can test for free
  fake-s3:
    image: lphoward/fake-s3

  # the tests container contains Roundup tests
  tests:
    build: ./tests
    environment:
      SOURCE_DB: source
      SOURCE_USER: source_user
      SOURCE_PASSWORD: source_pass
      TARGET_DB: target
      TARGET_USER: target_user
      TARGET_PASSWORD: target_pass
    links:
      - "source-db:source-db"
      - "target-db:target-db"
      - "fake-s3:fake-s3"
      - "postgres-s3:postgres-s3"
      - "postgres-s3-target:postgres-s3-target"