chore: Use custom image builder and pass GO_PROXY_URL

.github/workflows/image-push-main.yaml

@@ -6,7 +6,7 @@ on:
 jobs:
   image-build-push:
     name: Image build and push
-    runs-on: ubuntu-latest
+    runs-on: linux-amd64-cpu4
     steps:
       - name: Set repository as lower-case output variable
         id: repo_name
@@ -36,6 +36,8 @@ jobs:
           context: .
           push: true
           platforms: linux/amd64,linux/arm64
+          build-args: |
+            "GOPROXY=${{ secrets.GO_PROXY_URL }}"
           tags: |
             ghcr.io/${{ steps.repo_name.outputs.repository }}:latest
           labels: ${{ steps.docker_meta.outputs.labels }}

.github/workflows/image-push-release.yaml

@@ -6,7 +6,7 @@ on:
 jobs:
   image-build-push:
     name: Image build and push
-    runs-on: ubuntu-latest
+    runs-on: linux-amd64-cpu4
     steps:
       - name: Set repository as lower-case output variable
         id: repo_name
@@ -40,6 +40,8 @@ jobs:
           context: .
           platforms: linux/amd64,linux/arm64
           push: true
+          build-args: |
+            "GOPROXY=${{ secrets.GO_PROXY_URL }}"
           tags: |
             ${{ steps.docker_meta.outputs.tags }}
           labels: ${{ steps.docker_meta.outputs.labels }}

Makefile

@@ -38,8 +38,7 @@ TARGET_ARCH ?= $(shell go env GOARCH)
 GO_BUILD_OPTS ?= CGO_ENABLED=0 GOOS=$(TARGET_OS) GOARCH=$(TARGET_ARCH)
 # Linker flags for go build command
 GO_LDFLAGS = $(VERSION_LDFLAGS)
-GOPROXY ?=
-
+GOPROXY ?= $(shell go env GOPROXY)
 
 PKGS = $(or $(PKG),$(shell cd $(PROJECT_DIR) && go list ./...))