initiate new workflows

Author: luckyAkbar

.github/workflows/build-and-push.yml

@@ -0,0 +1,38 @@
+name: Build and Push the Docker Image
+
+on:
+  push:
+    branches: ["master"]
+
+permissions:
+  contents: read
+  packages: write
+
+jobs:
+    build-and-push:
+        runs-on: ubuntu-latest
+        steps:
+            - name: Checkout repository
+              uses: actions/checkout@v5
+
+            - name: Log in to GitHub Container Registry
+              uses: docker/login-action@v3
+              with:
+                  registry: ghcr.io
+                  username: ${{ github.actor }}
+                  password: ${{ secrets.GITHUB_TOKEN }}
+
+            - name: Set up Docker Buildx
+              uses: docker/setup-buildx-action@v3
+            
+            - name: Build and Push
+              uses: docker/build-push-action@v5
+              with:
+                context: .
+                file: ./Dockerfile
+                push: true
+                tags: |
+                    ghcr.io/${{ github.repository_owner }}/blog:latest
+                    ghcr.io/${{ github.repository_owner }}/blog:${{ github.sha }} # Optional: Tag with commit SHA
+                cache-from: type=gha
+                cache-to: type=gha,mode=max

Dockerfile

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+# Stage 1: The Builder
+# Use a full Ruby image to build the Jekyll site
+FROM ruby:3.2.3-alpine AS builder
+
+RUN apk add --no-cache --update build-base git
+# Install dependencies
+WORKDIR /app
+COPY Gemfile Gemfile.lock ./
+RUN bundle config set deployment 'true' && \
+    bundle config set without 'development test' && \
+    bundle install
+
+# Build the site
+COPY . .
+RUN JEKYLL_ENV=production bundle exec jekyll b
+
+# Stage 2: The Web Server
+# Use a tiny web server image for the final output
+FROM nginx:alpine
+
+# Remove default nginx site
+RUN rm -rf /usr/share/nginx/html/*
+
+# Copy *only the built site* from the previous "builder" stage
+COPY --from=builder /app/_site /usr/share/nginx/html
+
+# nginx runs on port 80 by default
+EXPOSE 80