chore: Add Docker build pipeline workflow

Author: Rajat069

.github/workflows/build-image.yml

@@ -0,0 +1,35 @@
+# It automatically builds your Docker image and pushes it to GHCR
+name: Build and Push Docker Image
+
+# We will run this workflow every time you push to the 'main' branch
+on:
+  push:
+    branches: [ "main" ]
+
+jobs:
+  build-and-push:
+    runs-on: ubuntu-latest # Use a standard GitHub-hosted runner
+    permissions:
+      contents: read
+      packages: write # Give the job permission to write to GHCR
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Log in to GitHub Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          file: ./Dockerfile
+          push: true # Push the image after building
+          tags: |
+            ghcr.io/${{ github.repository }}:latest
+            ghcr.io/${{ github.repository }}:${{ github.sha }}