pgsync/docker-compose.yml at pgsync-rust-replication-engine · pgrundev/pgsync · GitHub

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# PGSync development environment: one source and one target PostgreSQL.
#
#   docker compose up -d
#   export PGSYNC_SOURCE_URL='postgres://pgsync:pgsync@localhost:5433/app'
#   export PGSYNC_TARGET_URL='postgres://postgres:postgres@localhost:5434/app'
#
# Override the server version with PG_IMAGE=postgres:16 (or :17) for compatibility runs.
services:
  source:
    image: ${PG_IMAGE:-postgres:18}
    container_name: pgsync-source
    environment:
      POSTGRES_USER: postgres
      POSTGRES_PASSWORD: postgres
      POSTGRES_DB: app
    command:
      - postgres
      - -c
      - wal_level=logical
      - -c
      - max_replication_slots=16
      - -c
      - max_wal_senders=16
      - -c
      - wal_sender_timeout=30s
      - -c
      - log_min_messages=warning
    ports:
      - "${PGSYNC_SOURCE_PORT:-5433}:5432"
    volumes:
      - ./docker/source-init:/docker-entrypoint-initdb.d:ro
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U postgres -d app"]
      interval: 2s
      timeout: 2s
      retries: 30
    shm_size: 256mb

  target:
    image: ${PG_IMAGE:-postgres:18}
    container_name: pgsync-target
    environment:
      POSTGRES_USER: postgres
      POSTGRES_PASSWORD: postgres
      POSTGRES_DB: app
    command:
      - postgres
      - -c
      - log_min_messages=warning
    ports:
      - "${PGSYNC_TARGET_PORT:-5434}:5432"
    volumes:
      - ./docker/target-init:/docker-entrypoint-initdb.d:ro
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U postgres -d app"]
      interval: 2s
      timeout: 2s
      retries: 30
    shm_size: 256mb