docker-compose.yaml

version: "3"
services:
  minio:
    image: minio/minio:RELEASE.2021-03-26T00-00-41Z
    volumes:
      - minio-data:/data
    ports:
      - "9000:9000"
    environment:
      # The two anchors are used below. Should you want to change the passwords,
      # do so here. The references get this automatically.
      MINIO_ROOT_USER: &user minio
      MINIO_ROOT_PASSWORD: &password minio123
    command: server /data
    healthcheck:
      test: ["CMD", "curl", "-f", "http://localhost:9000/minio/health/live"]
      interval: 30s
      timeout: 20s
      retries: 3

  # The minio client. We need this to set up minio for our needs
  mc:
    image: minio/mc
    depends_on: ["minio"]
    environment:
      MINIO_ROOT_USER: *user
      MINIO_ROOT_PASSWORD: *password

    # In the entrypoint, we connect to the minio instance, create the bucket images
    # and make it available to the public for reading.
    entrypoint: >
      /bin/sh -c "
      curl --retry 3 --retry-connrefused --retry-delay 2 http://minio:9000 &&
      /usr/bin/mc config host add srv http://minio:9000 $${MINIO_ROOT_USER} $${MINIO_ROOT_PASSWORD} &&
      /usr/bin/mc mb srv/images &&
      /usr/bin/mc policy set public srv/images
      "

  # The actual application. You can access it via http://localhost:8080
  app:
    build: app
    ports:
      - "8080:8080"
    depends_on:
      - minio
    environment:
      # URL at which the application will access minio from within
      # the docker environment. Services can be accessed via their name.
      MINIO: 'minio:9000'
      # Prefix that will be used to actually access the data
      # Since we expose the port of minio on 9000, it should be available
      MINIO_PREFIX: 'http://localhost:9000/images'
      MINIO_ROOT_USER: *user
      MINIO_ROOT_PASSWORD: *password
volumes:
  minio-data: