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MinIO Docker Quickstart Guide 
Prerequisites
Docker installed on your machine. Download the relevant installer from here.
Run Standalone MinIO on Docker.
MinIO needs a persistent volume to store configuration and application data. However, for testing purposes, you can launch MinIO by simply passing a directory (/data in the example below). This directory gets created in the container filesystem at the time of container start. But all the data is lost after container exits.
docker run -p 9000:9000 minio/minio server /data
To create a MinIO container with persistent storage, you need to map local persistent directories from the host OS to virtual config ~/.minio and export /data directories. To do this, run the below commands
GNU/Linux and macOS
docker run -p 9000:9000 --name minio1 \
-v /mnt/data:/data \
minio/minio server /data
Windows
docker run -p 9000:9000 --name minio1 \
-v D:\data:/data \
minio/minio server /data
Run Distributed MinIO on Docker
Distributed MinIO can be deployed via Docker Compose or Swarm mode. The major difference between these two being, Docker Compose creates a single host, multi-container deployment, while Swarm mode creates a multi-host, multi-container deployment.
This means Docker Compose lets you quickly get started with Distributed MinIO on your computer - ideal for development, testing, staging environments. While deploying Distributed MinIO on Swarm offers a more robust, production level deployment.
MinIO Docker Tips
MinIO Custom Access and Secret Keys
To override MinIO's auto-generated keys, you may pass secret and access keys explicitly as environment variables. MinIO server also allows regular strings as access and secret keys.
GNU/Linux and macOS
docker run -p 9000:9000 --name minio1 \
-e "MINIO_ACCESS_KEY=AKIAIOSFODNN7EXAMPLE" \
-e "MINIO_SECRET_KEY=wJalrXUtnFEMI/K7MDENG/bPxRfiCYEXAMPLEKEY" \
-v /mnt/data:/data \
minio/minio server /data
Windows
docker run -p 9000:9000 --name minio1 \
-e "MINIO_ACCESS_KEY=AKIAIOSFODNN7EXAMPLE" \
-e "MINIO_SECRET_KEY=wJalrXUtnFEMI/K7MDENG/bPxRfiCYEXAMPLEKEY" \
-v D:\data:/data \
minio/minio server /data
Run MinIO Docker as a regular user
Docker provides standardized mechanisms to run docker containers as non-root users.
GNU/Linux and macOS
On Linux and macOS you can use --user to run the container as regular user.
NOTE: make sure --user has write permission to ${HOME}/data prior to using
--user.
mkdir -p ${HOME}/data
docker run -p 9000:9000 \
--user $(id -u):$(id -g) \
--name minio1 \
-e "MINIO_ACCESS_KEY=AKIAIOSFODNN7EXAMPLE" \
-e "MINIO_SECRET_KEY=wJalrXUtnFEMIK7MDENGbPxRfiCYEXAMPLEKEY" \
-v ${HOME}/data:/data \
minio/minio server /data
Windows
On windows you would need to use Docker integrated windows authentication and Create a container with Active Directory Support
NOTE: make sure your AD/Windows user has write permissions to D:\data prior to using
credentialspec=.
docker run -p 9000:9000 \
--name minio1 \
--security-opt "credentialspec=file://myuser.json"
-e "MINIO_ACCESS_KEY=AKIAIOSFODNN7EXAMPLE" \
-e "MINIO_SECRET_KEY=wJalrXUtnFEMIK7MDENGbPxRfiCYEXAMPLEKEY" \
-v D:\data:/data \
minio/minio server /data
MinIO Custom Access and Secret Keys using Docker secrets
To override MinIO's auto-generated keys, you may pass secret and access keys explicitly by creating access and secret keys as Docker secrets. MinIO server also allows regular strings as access and secret keys.
echo "AKIAIOSFODNN7EXAMPLE" | docker secret create access_key -
echo "wJalrXUtnFEMI/K7MDENG/bPxRfiCYEXAMPLEKEY" | docker secret create secret_key -
Create a MinIO service using docker service to read from Docker secrets.
docker service create --name="minio-service" --secret="access_key" --secret="secret_key" minio/minio server /data
Read more about docker service here
MinIO Custom Access and Secret Key files
To use other secret names follow the instructions above and replace access_key and secret_key with your custom names (e.g. my_secret_key,my_custom_key). Run your service with
docker service create --name="minio-service" \
--secret="my_access_key" \
--secret="my_secret_key" \
--env="MINIO_ACCESS_KEY_FILE=my_access_key" \
--env="MINIO_SECRET_KEY_FILE=my_secret_key" \
minio/minio server /data
Retrieving Container ID
To use Docker commands on a specific container, you need to know the Container ID for that container. To get the Container ID, run
docker ps -a
-a flag makes sure you get all the containers (Created, Running, Exited). Then identify the Container ID from the output.
Starting and Stopping Containers
To start a stopped container, you can use the docker start command.
docker start <container_id>
To stop a running container, you can use the docker stop command.
docker stop <container_id>
MinIO container logs
To access MinIO logs, you can use the docker logs command.
docker logs <container_id>
Monitor MinIO Docker Container
To monitor the resources used by MinIO container, you can use the docker stats command.
docker stats <container_id>