Add CI for container

.github/workflows/images.yml

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+name: Building Images
+
+on:
+  push:
+    branches:
+      - master
+
+jobs:
+  build-image:
+    name: Build Image
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repo
+        uses: actions/checkout@v2
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v1
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v1
+
+      - name: Login Github Container Registry
+        uses: docker/login-action@v1
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Extract Metadata for Docker
+        id: meta
+        uses: docker/metadata-action@v3
+        with:
+          images: ghcr.io/Hcreak/goflyway
+          tags: |
+            type=raw,value={{branch}}-{{sha}}-{{date 'x'}}
+            type=raw,value=latest
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v2
+        with:
+          context: .
+          push: true
+          platforms: linux/amd64
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}

Dockerfile

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+FROM golang:alpine3.18 AS go-build
+
+WORKDIR build
+ADD . .
+
+RUN go mod init goflyway
+RUN go mod tidy | true
+RUN go install