update workflow and fix Dockerfile

.github/workflows/build.yaml

@@ -15,30 +15,30 @@ env:
   IMAGE_NAME: ${{ github.repository }}
 
 jobs:
-  docker:
+  build:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
         with:
           fetch-depth: 0
       - name: Set up QEMU
-        uses: docker/setup-qemu-action@v1
+        uses: docker/setup-qemu-action@v3
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v1
+        uses: docker/setup-buildx-action@v3
       - name: Login to Quay.io Container Registry
-        uses: docker/login-action@v1
+        uses: docker/login-action@v3
         with:
           registry: quay.io
           username: utilitywarehouse+drone_ci
           password: ${{ secrets.SYSTEM_QUAY_TOKEN }}
       - name: Extract metadata (tags, labels) for Docker
         id: meta
-        uses: docker/metadata-action@v3
+        uses: docker/metadata-action@v5
         with:
           images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
       - name: Build and push Docker image
-        uses: docker/build-push-action@v2
+        uses: docker/build-push-action@v6
         with:
           context: .
           push: true

Dockerfile

@@ -1,15 +1,22 @@
-FROM golang:1.22-alpine AS build
-WORKDIR /go/src/github.com/utilitywarehouse/registry-browser
-COPY . /go/src/github.com/utilitywarehouse/registry-browser
-ENV CGO_ENABLED 0
-RUN apk --no-cache add git \
-      && go get -t ./... \
-      && go test ./... \
-      && go build -o /registry-browser .
+FROM golang:1.23-alpine AS build
+
+WORKDIR /workspace
+# Copy the Go Modules manifests
+COPY go.mod go.mod
+COPY go.sum go.sum
+# cache deps before building and copying source so that we don't need to re-download as much
+# and so that source changes don't invalidate our downloaded layer
+RUN go mod download
+
+# Copy the go source
+COPY . .
+
+RUN go test -v -cover ./... \
+      && CGO_ENABLED=0 go build -o /registry-browser .
 
 FROM alpine:3.20
 ADD templates /templates
 ADD static /static
-COPY --from=build /registry-browser /registry-browser
+COPY --from=build /workspace/registry-browser /registry-browser
 
 ENTRYPOINT [ "/registry-browser" ]