🔨 Make versioning works on Docker build

.github/workflows/publish.yaml

@@ -1,13 +1,21 @@
-name: Publish to DockerHub
+name: Publish
 on:
   create:
     tags:
       - v*
 
 jobs: 
   release: 
+    name: "Publish to DockerHub"
     runs-on: ubuntu-latest
     steps:
+      - name: "Check out code"
+        uses: actions/checkout@v2
+
+      - name: "Set variables"
+        id: vars
+        run: echo ::set-output name=tag::${GITHUB_REF#refs/*/}
+
       - name: "Set up QEMU"
         uses: docker/[email protected]
 
@@ -22,10 +30,11 @@ jobs:
 
       - name: "Build and push"
         id: docker_build
-        uses: docker/build-push-action@v2.2.1
+        uses: docker/build-push-action@v2.3.0
         with:
           push: true
-          tags: ${{ github.repository }}:latest
+          build-args: "VERSION=${{ steps.vars.outputs.tag }}"
+          tags: "${{ github.repository }}:latest,${{ github.repository }}:${{ steps.vars.outputs.tag }}"
 
       - name: "Image digest"
         run: echo ${{ steps.docker_build.outputs.digest }}

Dockerfile

@@ -1,5 +1,7 @@
 FROM golang:1.14.2-alpine3.11 as build
 
+ARG VERSION
+
 LABEL description="Real-time HTTP Intrusion Detection"
 LABEL repository="https://github.com/kitabisa/teler"
 LABEL maintainer="dwisiswant0"
@@ -9,7 +11,8 @@ COPY ./go.mod .
 RUN go mod download
 
 COPY . .
-RUN go build -o ./bin/teler ./cmd/teler 
+RUN go build -ldflags "-s -w -X ktbs.dev/teler/common.Version=${VERSION}" \
+	-o ./bin/teler ./cmd/teler 
 
 FROM alpine:latest