update go runtime to 1.21

.github/workflows/ci.yml

@@ -13,10 +13,10 @@ jobs:
     name: lint
     runs-on: ubuntu-latest
     steps:
-      - name: Set up Go 1.17
+      - name: Set up Go 1.21
         uses: actions/setup-go@v2
         with:
-          go-version: 1.17
+          go-version: 1.21
         id: go
 
       - name: Check out code into the Go module directory
@@ -28,15 +28,15 @@ jobs:
       - name: Linter
         uses: golangci/golangci-lint-action@v3
         with:
-          version: v1.46
+          version: v1.55
   build:
     name: test
     runs-on: ubuntu-latest
     steps:
-      - name: Set up Go 1.17
+      - name: Set up Go 1.21
         uses: actions/setup-go@v2
         with:
-          go-version: 1.17
+          go-version: 1.21
         id: go
 
       - name: Check out code into the Go module directory

Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:1.17-alpine as app-builder
+FROM golang:1.21-alpine as app-builder
 
 ENV SRC_DIR /s3proxy
 WORKDIR $SRC_DIR
@@ -14,7 +14,7 @@ COPY . ./
 RUN apk add build-base curl && make
 
 
-FROM golang:1.17-alpine as lib-builder
+FROM golang:1.21-alpine as lib-builder
 
 WORKDIR /root
 RUN apk add git

Makefile

@@ -11,13 +11,13 @@ GOFILES	= $(shell find . -type f -name '*.go' -not -path "./vendor/*")
 default: build
 
 build: clean
-	go build -i -v ${LDFLAGS} -o ${NAME}
+	go build -v ${LDFLAGS} -o ${NAME}
 
 clean:
 	if [ -f "${NAME}" ] ; then rm ${NAME} ; fi
 
 lint:
-	docker run --rm -v $(PWD):/app -w /app golangci/golangci-lint:v1.46.2 golangci-lint run -v
+	docker run --rm -v $(PWD):/app -w /app golangci/golangci-lint:v1.55.2 golangci-lint run -v
 
 fmtcheck: tools.goimports
 	@echo "--> checking code formatting with 'goimports' tool"

README.md

@@ -21,7 +21,7 @@ This presigned URL has a duration period and can be used by any basic HTTP clien
 ## Requirements 
 
 * Docker version 17.12.0+
-* Go 1.17+
+* Go 1.21+
 
 
 ## Build

go.mod

@@ -1,6 +1,6 @@
 module github.com/mirakl/s3proxy
 
-go 1.17
+go 1.21
 
 require (
 	github.com/aws/aws-sdk-go v1.42.53