Deployer

This script can be used to deploy docker images on your server.

Usage

1. Clone this repo: git clone git@github.com:4lexvav/deployer.git
2. Compile source code: go build
3. Define token to authorize requests: export DEPLOYER_TOKEN=token
4. Run executable: ./deployer
5. Now you can start sending requests to deploy images:

curl --request POST 'localhost:3000/deploy/' \
    --header 'Authorization: token' \
    --header 'Content-Type: application/json' \
    --data-raw '{
        "name": "container-name",
        "image": "docker.io/library/alpine:3.11",
        "token": "{your-docker-hub-token}",
        "user": "{your-docker-hub-username}",
        "network": "{network-name to connect container to}",
        "tty": true,
        "env": {
            "MY_VARIABLE": "VALUE"
        },
        "volumes": [
            {
                "source": "/home/centos/src",
                "target": "/var/www"
            }
        ]
    }'

Sending request above performs the following steps:

1. Pull image provided in image property of request.
2. Stop and kill existing container with name provided in name property.
3. Create new container based on given image applying all provided options.
4. Start new container.

Running script as systemd service:

1. Modify and copy deployer.service file to /etc/systemd/system/ directory.
2. Optionally run sudo systemctl edit deployer command and add your environment variable to file, e.g.:

[Service]
Environment="DEPLOYER_TOKEN=token"

3. Start and enable service:

sudo systemctl start deployer
sudo systemctl enable deployer

4. Finally, you can check service status using these commands:

systemctl status deployer - shows the whole service status systemctl is-active deployer - shows current service state

Sample GitHub Workflow to send request from GitHub Actions

name: Deploy image to server

on:
  workflow_dispatch:
    inputs:
      IMAGE:
        description: Image with tag
        default: "docker.io/library/alpine:3.11"
        required: true
      CONTAINER:
        description: Container name
        default: alp
        required: true

env:
  HOST: "your-app.com:3000/deploy/"

jobs:
  deploy:
    runs-on: ubuntu-latest
    steps:
      - name: Send deploy request
        uses: wei/curl@v1
        with:
          args: |
            -f -v -X POST ${{ env.HOST }} \
            -H 'Authorization: ${{ secrets.DEPLOYER_TOKEN }}' \
            -H 'Content-Type: application/json' \
            -d '{\"name\":\"${{ github.event.inputs.CONTAINER }}\",\"image\":\"${{ github.event.inputs.IMAGE }}\",\"token\":\"${{ secrets.DOCKER_TOKEN }}\",\"user\":\"${{ secrets.DOCKER_USER }}\",\"network\":\"network-name\",\"tty\":true,\"env\":{\"ENV_VAR\":\"${{ secrets.ENV_VAR_VALUE }}\",\"ENV_VAR_2\":\"ENV_VAR2_VALUE\"},\"volumes\":[{\"source\":\"/home/centos/src\",\"target\":\"/var/www\"}]}'

Before use, make sure to define required secrets in your repository settings:

• DEPLOYER_TOKEN
• DOCKER_TOKEN
• DOCKER_USER