ghcr integration

Author: johnlam90

.github/workflows/docker-build.yml

@@ -26,6 +26,20 @@ jobs:
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
 
+      - name: Check Go version in Dockerfile and go.mod
+        run: |
+          echo "Checking Go version in Dockerfile..."
+          GO_VERSION_DOCKERFILE=$(grep "FROM golang:" Dockerfile | head -1 | cut -d':' -f2 | cut -d'-' -f1)
+          echo "Go version in Dockerfile: $GO_VERSION_DOCKERFILE"
+
+          echo "Checking Go version in go.mod..."
+          GO_VERSION_GOMOD=$(grep "^go " go.mod | awk '{print $2}')
+          echo "Go version in go.mod: $GO_VERSION_GOMOD"
+
+          if [[ "$GO_VERSION_DOCKERFILE" != "$GO_VERSION_GOMOD" ]]; then
+            echo "Warning: Go version mismatch between Dockerfile ($GO_VERSION_DOCKERFILE) and go.mod ($GO_VERSION_GOMOD)"
+          fi
+
       - name: Log in to the Container registry
         uses: docker/login-action@v3
         with:
@@ -49,8 +63,11 @@ jobs:
 
       - name: Build and push Docker image
         uses: docker/build-push-action@v5
+        env:
+          DOCKER_BUILDKIT: 1
         with:
           context: .
+          file: ./Dockerfile
           push: true
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}

Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:1.19-alpine AS builder
+FROM golang:1.21-alpine AS builder
 
 WORKDIR /workspace
 
@@ -7,7 +7,8 @@ COPY go.mod go.mod
 COPY go.sum go.sum
 
 # Cache dependencies
-RUN go mod download
+# Remove any toolchain directive for compatibility with older Go versions
+RUN sed -i '/^toolchain/d' go.mod && go mod download
 
 # Copy the source code
 COPY cmd/ cmd/
@@ -20,7 +21,7 @@ RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -a -o manager cmd/main.go
 RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -a -o eni-manager cmd/eni-manager/main.go
 
 # Use a minimal base image for the final image
-FROM alpine:3.16
+FROM alpine:3.19
 
 # Install iproute2 for the ip command (used as fallback by ENI Manager)
 RUN apk --no-cache add iproute2

go.mod

@@ -1,8 +1,6 @@
 module github.com/johnlam90/aws-multi-eni-controller
 
-go 1.23
-
-toolchain go1.23.8
+go 1.21
 
 require (
 	github.com/aws/aws-sdk-go v1.44.234