What is Portainer?
Portainer is a tool that simplifies the management and maintenance of Docker’s containers. It helps you to speed up deployments, simplifies migrations and allows monitoring and solving problems in a fast and intuitive way. It is controlled through a web interface and looks similar to the following:
Portainer’s Control Panel
Portainer’s Application Templates
Portainer’s Container List
- Docker installed following the steps described in How to install Docker in Ubuntu 20.04.
- Docker Compose installed following the steps described in How to install Docker Compose in Ubuntu 20.04.
To install Portainer in our system, we will create a Docker container using Docker Compose. In order to do that we will first create a file called docker-compose.yml with container’s definition, and then we will execute it in our system.
mkdir -p docker/portainer cd docker/portainer nano docker-compose.yml
Inside file docker-compose.yml we add the next content:
version: '3' services: portainer: image: portainer/portainer-ce:latest container_name: portainer restart: unless-stopped security_opt: - no-new-privileges:true volumes: - /etc/localtime:/etc/localtime:ro - /var/run/docker.sock:/var/run/docker.sock:ro - ./portainer-data:/data ports: - 9000:9000
We save the information pressing Ctrl+X, y, ENTER.
We execute the container using Docker Compose:
docker-compose up -d
We open a web browser and access Portainer’s service we are running in Docker:
We create administrator user credentials filling in the form: