Setting Up CI/CD for My Hugo Site with GitHub Actions, Docker, and a Self-Hosted Harbor Registry

# Stage 1
FROM alpine:latest AS build

# Install the Hugo go app.
RUN apk add --update hugo
RUN apk add --update git

WORKDIR /opt/HugoApp

# Copy Hugo config into the container Workdir.
COPY . .

RUN git init
RUN git submodule update --init --recursive

# Run Hugo in the Workdir to generate HTML.
RUN hugo 

# Stage 2
FROM nginx:1.25-alpine

# Set workdir to the NGINX default dir.
WORKDIR /usr/share/nginx/html

# Copy HTML from previous build into the Workdir.
COPY --from=build /opt/HugoApp/public .

# Expose port 80
EXPOSE 80/tcp

name: Docker

# This workflow uses actions that are not certified by GitHub.
# They are provided by a third-party and are governed by
# separate terms of service, privacy policy, and support
# documentation.

on:
  push:
    branches:
      - '**'

jobs:
  build:

    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write
      id-token: write

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@f95db51fddba0c2d1ec667646a06c2ce06100226 # v3.0.0

      - name: Log into registry
        id: registry-login
        run: |
          docker login -u ${{ secrets.DOCKER_USERNAME }} -p ${{ secrets.DOCKER_PASSWORD }} ${{ secrets.DOCKER_REGISTRY }}          

      - name: Build and push Docker image
        id: build-and-push
        run: |
          docker build . -t "${{ secrets.DOCKER_REGISTRY }}/yourproject/noorraihan-blog:${{ github.ref_name }}"
          docker push "${{ secrets.DOCKER_REGISTRY }}/yourproject/iamgename:${{ github.ref_name }}"          

#!/bin/bash


#read -p "Enter image tag (e.g., v1.0.0): " IMAGE_TAG

IMAGE_TAG="$1"

# Validate input
if [ -z "$IMAGE_TAG" ]; then
    echo "Error: Image tag is required."
    exit 1
fi

IMAGE="yourregistry/yourporject/myhugosite:$IMAGE_TAG"
CONTAINER_NAME="hugo-site"

# Check if container is running
if [ "$(docker ps -q -f name=^/${CONTAINER_NAME}$)" ]; then
	  echo "Stopping running container $CONTAINER_NAME..."
	    docker stop $CONTAINER_NAME
fi

# Check if container exists (running or stopped) and remove it
if [ "$(docker ps -aq -f name=^/${CONTAINER_NAME}$)" ]; then
	  echo "Removing existing container $CONTAINER_NAME..."
	    docker rm $CONTAINER_NAME
fi

# Pull the latest image
echo "Pulling latest image $IMAGE..."
docker pull $IMAGE

# Run the container (customize options as needed)
echo "Starting new container $CONTAINER_NAME..."
docker run -d -p8080:80 --name $CONTAINER_NAME $IMAGE

server {
    listen 80;
    server_name mydomain.com www.mydomain.com;

    location / {
        proxy_pass http://localhost:8080;
    }
}

ln -s /etc/nginx/sites-available/hugo /etc/nginx/sites-enabled/
sudo nginx -t
sudo systemctl reload nginx