ci/go: bump Go version from 1.19 to 1.21 due to 1.19 support has alre…

…ady ended

.github/workflows/test.yaml

@@ -5,18 +5,22 @@ on: [push]
 jobs:
   build:
 
-    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        go-version: ["1.19", "1.20", "1.21"]
+        os: [macos-latest, ubuntu-latest]
+
+    runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v3
 
       - name: Set up Go
         uses: actions/setup-go@v3
-
         with:
-          go-version: 1.19
+          go-version: ${{ matrix.go-version }}
 
       - name: Build
         run: go build -v ./...
 
       - name: Test
-        run: go test -v ./...
+        run: go test -v ./...

Dockerfile

@@ -37,7 +37,7 @@ RUN curl --location "https://github.com/kubernetes-sigs/kustomize/releases/downl
     chmod +x kustomize && \
     mv kustomize /usr/bin/kustomize
 
-FROM golang:1.19-alpine as builder
+FROM golang:1.21-alpine as builder
 ARG TARGETARCH
 ARG TARGETPLATFORM
 WORKDIR /kube-score
@@ -67,12 +67,12 @@ COPY --from=builder /usr/bin/kube-score /usr/bin/kube-score
 
 # Symlink to /kube-score for backwards compatibility (with kube-score v1.15.0 and earlier)
 RUN ln -s /usr/bin/kube-score /kube-score
- 
+
 # Dry runs
 RUN /kube-score version && \
     /usr/bin/kube-score version && \
     kube-score version && \
     helm version && kustomize version
 
 WORKDIR /project
-ENTRYPOINT ["/kube-score"]
+ENTRYPOINT ["/kube-score"]

README.md

@@ -187,7 +187,7 @@ spec:
 
 ## Building from source
 
-`kube-score` requires [Go](https://golang.org/) `1.19` or later to build. Clone this repository, and then:
+`kube-score` requires [Go](https://golang.org/) `1.21` or later to build. Clone this repository, and then:
 
 ```bash
 # Build the project
@@ -205,7 +205,7 @@ Do you want to help out? Take a look at the [Contributing Guidelines](./.github/
 
 | Project             | Version |
 |---------------------|---------|
-| go.dev              | ^1.19   | 
+| go.dev              | ^1.21   | 
 
 ## Made by
 

go.mod

@@ -35,4 +35,4 @@ require (
 	sigs.k8s.io/yaml v1.3.0 // indirect
 )
 
-go 1.19
+go 1.21