Nexus Installation and Configuration

Prerequisites

Portainer is deployed

Hetzner Portainer located on vm qcans-qcint

Portainer deployed with docker-compose:

version: '3.9'

services:
  portainer:
    image: portainer/portainer-ce:2.27.0
    container_name: portainer
    restart: always
    ports:
      - "8000:8000"  # Portainer Agent (optional)
      - "9443:9443"  # HTTPS (recommended)
      - "9000:9000"  # HTTP (use only if HTTPS is not configured)
    volumes:
      - /var/run/docker.sock:/var/run/docker.sock  # Access to Docker API
      - portainer_data:/data                       # Portainer data storage
    environment:
      - TZ=Europe/Berlin                           # Set your time zone

volumes:
  portainer_data:

Logging into Portainer

1. Open a browser and go to: Portainer
2. Enter your credentials and click "Login".

Adding a New Environment

1. Navigate to the "Environments" section.
2. Click "Add environment".
3. Select the connection type:
   • Docker (local or remote Docker API)
   • Kubernetes
   • Agent (if connecting an agent)
4. Enter the node or API address and click "Connect".

Adding a New Stack

1. Go to the "Stacks" section.
2. Click "Add stack".
3. Enter the stack name.
4. Choose the source:
   • Web editor – manually enter the Docker Compose configuration.
   • Git repository – load from a Git repository.
   • Upload file – upload a pre-made docker-compose.yml file.
5. After configuring, click "Deploy the stack".

Adding a New Agent

1. Navigate to "Environments" and click "Add environment".
2. Select "Agent".
3. Install the agent on the remote server by running the following command:

   docker run -d -p 9001:9001 --name portainer_agent \
      --restart=always \
      -v /var/run/docker.sock:/var/run/docker.sock \
      -v /var/lib/docker/volumes:/var/lib/docker/volumes \
      portainer/agent

1. Enter the IP address of the server with the agent and click "Connect".

Viewing Containers

1. Navigate to "Containers".
2. Select the required container.
3. Here you can:
   • Stop/start the container.
   • Restart the container.
   • Remove the container.
   • View resource usage.

Viewing Container Logs

1. Open "Containers" and select the desired container.
2. Go to the "Logs" tab.
3. Choose the number of displayed lines and refresh the logs.

Connecting to a Container Console

1. Open "Containers" and select the desired container.
2. Go to the "Console" tab.
3. Select the shell type (sh/bash).
4. Click "Connect".
5. You can now manage the container through the terminal.

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This is a basic guide for working with Portainer. If you have any questions, contact the DevOps support team.

Changelog

Date	Author	Message
2026-03-06	aresnikowa	qc-0: postediting
2026-02-25	aresnikowa	Merge remote-tracking branch 'origin/master'