feat: Github action to build & push GHCR images (#16)

* Github action to build & push GHCR images

* fix file path

Author: AjayPoshak

.github/workflows/docker-image.yml

@@ -0,0 +1,23 @@
+name: Docker Image CI
+
+on:
+  push:
+    branches: ["main"]
+  pull_request:
+    branches: ["main"]
+
+persmissions:
+  packages: write
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+      - name: Build the Docker image
+        run: docker compose build
+      - name: Login to GHCR
+        run: echo "${{ secrets.GITHUB_TOKEN }}" | docker login ghcr.io -u ${{ github.actor }} --password-stdin
+      - name: Push image to GHCR
+        run: docker compose push