refactor python to golang

.dockerignore

@@ -0,0 +1,6 @@
+Dockerfile
+LICENSE
+README.md
+assets/
+.github/
+.git/

.github/workflows/build-and-push.yml

@@ -1,14 +1,14 @@
-name: Build and Push Docker Image
+name: Build and Push Go Docker Image
 
 on:
   push:
     branches:
-      - master
+      - golang
     tags:
       - 'v*'
   pull_request:
     branches:
-      - master
+      - golang
 
 permissions:
   contents: read
@@ -37,15 +37,15 @@ jobs:
         uses: docker/build-push-action@v6
         with:
           context: .
-          tags: sholdee/adguardexporter:test-${{ github.sha }}
+          tags: sholdee/adguardexporter:golang-test-${{ github.sha }}
           platforms: linux/amd64,linux/arm64
           cache-from: type=local,src=/tmp/.buildx-cache
           cache-to: type=local,dest=/tmp/.buildx-cache
 
   push:
     runs-on: ubuntu-latest
     needs: build
-    if: github.ref == 'refs/heads/master' || startsWith(github.ref, 'refs/tags/')
+    if: github.ref == 'refs/heads/golang' || startsWith(github.ref, 'refs/tags/')
 
     steps:
       - name: Checkout repository
@@ -83,7 +83,7 @@ jobs:
             sholdee/adguardexporter
             ghcr.io/${{ github.repository_owner }}/adguard-exporter
           tags: |
-            type=raw,value=latest,enable=${{ github.ref == 'refs/heads/master' }}
+            type=raw,value=golang-latest,enable=${{ github.ref == 'refs/heads/golang' }}
             type=ref,event=branch
             type=ref,event=tag
             type=semver,pattern={{version}}
@@ -102,5 +102,5 @@ jobs:
 
       - name: Verify Docker manifest
         run: |
-          docker buildx imagetools inspect sholdee/adguardexporter:latest
-          docker buildx imagetools inspect ghcr.io/${{ github.repository }}:latest
+          docker buildx imagetools inspect sholdee/adguardexporter:golang-latest
+          docker buildx imagetools inspect ghcr.io/${{ github.repository }}:golang-latest

Dockerfile

@@ -1,19 +1,26 @@
-FROM python:3-alpine
+FROM golang:1.22-alpine3.20 AS builder
 
 WORKDIR /app
 
-# Install build dependencies
-RUN apk add --no-cache --virtual .build-deps gcc musl-dev
+# Copy go mod and sum files
+COPY go.mod go.sum ./
 
-# Copy and install requirements
-COPY requirements.txt .
-RUN pip install --no-cache-dir -r requirements.txt
+# Download all dependencies
+RUN go mod download
 
-# Remove build dependencies
-RUN apk del .build-deps
+# Copy the source code
+COPY *.go ./
 
-# Copy the script
-COPY adguard_exporter.py .
+# Build the application
+RUN CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -ldflags="-s -w" -o adguard_exporter .
+
+# Create a minimal Alpine image
+FROM alpine:3.20
+
+WORKDIR /app
+
+# Copy the binary from the builder stage
+COPY --from=builder /app/adguard_exporter .
 
 # Expose the metrics port
 EXPOSE 8000
@@ -24,4 +31,4 @@ ENV METRICS_PORT=8000
 ENV LOG_LEVEL=INFO
 
 # Run the exporter
-CMD ["python", "./adguard_exporter.py"]
+CMD ["./adguard_exporter"]