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docker-compose: how to use minio in- and outside of the docker network

I have the following docker-compose.yml to run a local environment for my Laravel App.

version: '3'
services:
  app:
    build:
      context: .
      dockerfile: .docker/php/Dockerfile
    ports:
      - 80:80
      - 443:443
    volumes:
      - .:/var/www:delegated
    environment:
      AWS_ACCESS_KEY_ID: minio_access_key
      AWS_SECRET_ACCESS_KEY: minio_secret_key
      AWS_BUCKET: Bucket
      AWS_ENDPOINT: http://s3:9000
    links:
      - database
      - s3
  database:
    image: mariadb:10.3
    ports:
      - 63306:3306
    environment:
      MYSQL_ROOT_PASSWORD: secret
  s3:
    image: minio/minio
    ports:
      - "9000:9000"
    volumes:
      - ./storage/minio:/data
    environment:
      MINIO_ACCESS_KEY: minio_access_key
      MINIO_SECRET_KEY: minio_secret_key
    command: server /data

As you can see, I use minio as AWS S3 compatible storage. This works very well but when I generate a url for a file (Storage::disk('s3')->url('some-file.txt')) obviously I get a url like this http://s3:9000/Bucket/some-file.txt which does not work outside of the Docker network.

I've already tried to set AWS_ENDPOINT to http://127.0.0.1:9000 but then Laravel can't connect to the Minio Server...

Is there a way to configure Docker / Laravel / Minio to generate urls which are accessible in- and outside of the Docker network?

over 4 years ago · Santiago Trujillo

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Answer 1 · 2022-04-21T20:34:45.405Z

how about binding address? (not tested)

...
  s3:
    image: minio/minio
    ports:
      - "9000:9000"
    volumes:
      - ./storage/minio:/data
    environment:
      MINIO_ACCESS_KEY: minio_access_key
      MINIO_SECRET_KEY: minio_secret_key
    command: server --address 0.0.0.0:9000 /data

Answer 2 · 2022-04-21T20:34:45.414Z

I expanded on the solutions in this question to create a solution that is working for me on both a localhost and on a server with an accessible dns.

The localhost solution is essentially the solution described above.

Create localhost host mapping

sudo echo "127.0.0.1       my-minio-localhost-alias" >> /etc/hosts

Set HOSTNAME, use 'my-minio-localhost-alias' for localhost

export HOSTNAME=my-minio-localhost-alias

Create hello.txt

Hello from Minio!

Create docker-compose.yml

This compose file contains the following containers:

minio: minio service
minio-mc: command line tool to initialize content
s3-client: command line tool to generate presigned urls

version: '3.7'
networks:
  mynet:
services:
  minio:
    container_name: minio
    image: minio/minio
    ports:
    - published: 9000
      target: 9000
    command: server /data
    networks:
      mynet:
        aliases:
        # For localhost access, add the following to your /etc/hosts
        # 127.0.0.1       my-minio-localhost-alias
        # When accessing the minio container on a server with an accessible dns, use the following
        - ${HOSTNAME}
  # When initializing the minio container for the first time, you will need to create an initial bucket named my-bucket.
  minio-mc:
    container_name: minio-mc
    image: minio/mc
    depends_on:
    - minio
    volumes:
    - "./hello.txt:/tmp/hello.txt"
    networks:
      mynet:
  s3-client:
    container_name: s3-client
    image: amazon/aws-cli
    environment:
      AWS_ACCESS_KEY_ID: minioadmin
      AWS_SECRET_ACCESS_KEY: minioadmin
    depends_on:
    - minio
    networks:
      mynet:

Start the minio container

docker-compose up -d minio

Create a bucket in minio and load a file

docker-compose run minio-mc mc config host add docker http://minio:9000 minioadmin minioadmin
docker-compose run minio-mc mb docker/my-bucket
docker-compose run minio-mc mc cp /tmp/hello.txt docker/my-bucket/foo.txt

Create a presigned URL that is accessible inside AND outside of the docker network

docker-compose run s3-client --endpoint-url http://${HOSTNAME}:9000 s3 presign s3://my-bucket/hello.txt

Answer 3 · 2022-04-21T20:34:45.433Z

Adding the "s3" alias to my local hosts file did not do the trick. But explicitly binding the ports to 127.0.0.1 worked like a charm:

s3:
    image: minio/minio:RELEASE.2022-02-05T04-40-59Z
    restart: "unless-stopped"
    volumes:
        - s3data:/data
    environment:
        MINIO_ROOT_USER: minio
        MINIO_ROOT_PASSWORD: minio123
    # Allow all incoming hosts to access the server by using 0.0.0.0
    command: server --address 0.0.0.0:9000 --console-address ":9001" /data
    ports:
        # Bind explicitly to 127.0.0.1
        - "127.0.0.1:9000:9000"
        - "9001:9001"
    healthcheck:
        test: ["CMD", "curl", "-f", "http://127.0.0.1:9000/minio/health/live"]
        interval: 30s
        timeout: 20s
        retries: 3

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