Merge pull request #259 from glours/go-18

update Golang version to 1.18

Author: ulyssessouza

.github/workflows/ci.yml

@@ -16,7 +16,7 @@ jobs:
   test:
     strategy:
       matrix:
-        go-version: [1.17.x]
+        go-version: [1.18.x]
         platform: [ubuntu-latest, macos-latest, windows-latest]
     runs-on: ${{ matrix.platform }}
     timeout-minutes: 5

ci/Dockerfile

@@ -12,12 +12,12 @@
 #   See the License for the specific language governing permissions and
 #   limitations under the License.
 
-FROM golang:1.17
+FROM golang:1.18
 
 WORKDIR /go/src
 
 ARG GOLANGCILINT_VERSION=v1.44.1
 RUN curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s -- -b $(go env GOPATH)/bin ${GOLANGCILINT_VERSION}
-RUN go get -v -u github.com/kunalkushwaha/ltag && rm -rf /go/src/github.com/kunalkushwaha
+RUN go install github.com/kunalkushwaha/ltag@latest && rm -rf /go/src/github.com/kunalkushwaha
 
 COPY . .

go.mod

@@ -1,6 +1,6 @@
 module github.com/compose-spec/compose-go
 
-go 1.17
+go 1.18
 
 require (
 	github.com/distribution/distribution/v3 v3.0.0-20210316161203-a01c71e2477e