feat: create docker image

Author: sjoshi10

.github/workflows/docker-image.yml

@@ -0,0 +1,42 @@
+name: docker-image
+
+on:
+  push:
+    tags:
+      - '*.*.*'
+# on:
+#   pull_request:
+#   release:
+#   push:
+#     branches:
+#       - 'main'
+
+jobs:
+
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v2
+
+    - name: Build image
+      run: docker build --platform linux/amd64 -t myimage .
+
+    - name: Log into registry
+      run: echo "${{ secrets.GITHUB_TOKEN }}" | docker login ghcr.io -u ${{ github.actor }} --password-stdin
+
+    - name: Push image
+      run: |
+        IMAGE_ID=ghcr.io/${{ github.repository }}
+
+        # Change all uppercase to lowercase
+        IMAGE_ID=$(echo $IMAGE_ID | tr '[A-Z]' '[a-z]')
+
+        VERSION=latest
+        if [[ $GITHUB_REF == refs/tags/* ]]; then
+          VERSION=${GITHUB_REF#refs/tags/}
+        fi
+
+        docker tag myimage $IMAGE_ID:$VERSION
+        docker push $IMAGE_ID:$VERSION