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GitHub Action and Docker image used to deploy a Docker stack on a Docker Swarm

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kitconcept/docker-stack-deploy

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Add this Action to an existing workflow or create a new one
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Docker Stack Deploy Tool

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GitHub Action and Docker image used to deploy a Docker stack on a Docker Swarm.

Configuration options

GitHub Action Input Environment Variable Summary Required Default Value
registry REGISTRY Specify which container registry to login to.
username USERNAME Container registry username.
password PASSWORD Container registry password.
remote_host REMOTE_HOST Hostname or address of the machine running the Docker Swarm manager node
remote_port REMOTE_PORT SSH port to connect on the the machine running the Docker Swarm manager node. 22
remote_user REMOTE_USER User with SSH and Docker privileges on the machine running the Docker Swarm manager node.
remote_private_key REMOTE_PRIVATE_KEY Private key used for ssh authentication.
deploy_timeout DEPLOY_TIMEOUT Seconds, to wait until the deploy finishes 600
stack_file STACK_FILE Path to the stack file used in the deploy.
stack_name STACK_NAME Name of the stack to be deployed.
stack_param STACK_PARAM Additional parameter (env var) to be passed to the stack.
env_file ENV_FILE Additional environment variables to be passed to the stack.
debug DEBUG Verbose logging 0

Using the GitHub Action

Add, or edit an existing, yaml file inside .github/actions and use the configuration options listed above.

Examples

Deploying public images

name: Deploy Staging

on:
  push:
    branches:
      - main

jobs:

  deploy:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout codebase
        uses: actions/checkout@v2

      - name: Deploy
        uses: kitconcept/[email protected]
        with:
          remote_host: ${{ secrets.REMOTE_HOST }}
          remote_user: ${{ secrets.REMOTE_USER }}
          remote_private_key: ${{ secrets.REMOTE_PRIVATE_KEY }}
          stack_file: "stacks/plone.yml"
          stack_name: "plone-staging"

Deploying private images from GitHub Container Registry

First, follow the steps to create a Personal Access Token.

name: Deploy Live

on:
  push:
    tags:
      - '*.*.*'

jobs:

  deploy:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout codebase
        uses: actions/checkout@v2

      - name: Deploy
        uses: kitconcept/[email protected]
        with:
          registry: "ghcr.io"
          username: ${{ secrets.GHCR_USERNAME }}
          password: ${{ secrets.GHCR_TOKEN }}
          remote_host: ${{ secrets.REMOTE_HOST }}
          remote_user: ${{ secrets.REMOTE_USER }}
          remote_private_key: ${{ secrets.REMOTE_PRIVATE_KEY }}
          stack_file: "stacks/plone.yml"
          stack_name: "plone-live"
          stack_param: "foo"

Using the Docker Image

It is possible to directly use the ghcr.io/kitconcept/docker-stack-deploy Docker image, passing the configuration options as environment variables.

Examples

Local machine

Considering you have a local file named .env_deploy with content:

REGISTRY=hub.docker.com
USERNAME=foo_usr
PASSWORD=averylargepasswordortoken
REMOTE_HOST=192.168.17.2
REMOTE_PORT=22
REMOTE_USER=user
STACK_FILE=path/to/stack.yml
STACK_NAME=mystack
DEBUG=1

Run the following command:

docker run --rm
  -v "$(pwd)":/github/workspace
  -v /var/run/docker.sock:/var/run/docker.sock
  --env-file=.env_deploy
  -e REMOTE_PRIVATE_KEY="$(cat ~/.ssh/id_rsa)"
  ghcr.io/kitconcept/docker-stack-deploy:latest

GitLab CI

On your GitLab project, go to Settings -> CI/CD and add the environment variables under Variables.

Then edit your .gitlab-cy.yml to include the deploy step:

image: busybox:latest

services:
  - docker:20.10.16-dind

before_script:
  - docker info

deploy:
  stage: deploy
  varibles:
    REGISTRY: ${REGISTRY}
    USERNAME: ${REGISTRY_USER}
    PASSWORD: ${REGISTRY_PASSWORD}
    REMOTE_HOST: ${DEPLOY_HOST}
    REMOTE_PORT: 22
    REMOTE_USER: ${DEPLOY_USER}
    REMOTE_PRIVATE_KEY: "${DEPLOY_KEY}"
    STACK_FILE: stacks/app.yml
    STACK_NAME: app
    DEPLOY_IMAGE: ghcr.io/kitconcept/docker-stack-deploy:latest
  script:
    - docker pull ${DEPLOY_IMAGE}
    - docker run --rm
       -v "$(pwd)":/github/workspace
       -v /var/run/docker.sock:/var/run/docker.sock
       -e REGISTRY=${REGISTRY}
       -e USERNAME=${USERNAME}
       -e PASSWORD=${PASSWORD}
       -e REMOTE_HOST=${REMOTE_HOST}
       -e REMOTE_PORT=${REMOTE_PORT}
       -e REMOTE_USER=${REMOTE_USER}
       -e REMOTE_PRIVATE_KEY="${REMOTE_PRIVATE_KEY}"
       -e STACK_FILE=${STACK_FILE}
       -e STACK_NAME=${STACK_NAME}
       -e DEBUG=1
       ${DEPLOY_IMAGE}

Contribute

Please DO NOT commit to version branches directly. Even for the smallest and most trivial fix.

ALWAYS open a pull request and ask somebody else to merge your code. NEVER merge it yourself.

Credits

kitconcept GmbH

This repository also uses the docker-stack-wait script, available at GitHub.

The logo is based on rocket icon.

License

The project is licensed under MIT License