Add CI to build and push docker container

Author: digi-deity

.github/workflows/main.yaml

@@ -0,0 +1,42 @@
+name: build-and-push
+
+on:
+  push:
+    branches:
+      - 'master'
+  workflow_dispatch:
+
+jobs:
+  docker:
+    runs-on: ubuntu-latest
+    steps:
+      -
+        name: Set up QEMU
+        uses: docker/setup-qemu-action@v2
+      -
+        name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+      -
+        name: Checkout code
+        uses: actions/checkout@v4
+      -
+        name: Read version
+        id: get_version
+        run: |
+          VERSION=$(cat VERSION | tr -d '\n')
+          echo "version=$VERSION" >> $GITHUB_OUTPUT
+      -
+        name: Login to DockerHub
+        uses: docker/login-action@v2
+        with:
+          username: ${{ secrets.DOCKER_USERNAME }}
+          password: ${{ secrets.DOCKER_PASSWORD }}
+      -
+        name: Build and push
+        uses: docker/build-push-action@v3
+        with:
+          context: .
+          push: true
+          tags: |
+            ${{ secrets.DOCKER_USERNAME }}/${{ github.event.repository.name }}
+            ${{ secrets.DOCKER_USERNAME }}/${{ github.event.repository.name }}:${{ steps.get_version.outputs.version }}