update to go1.21

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>

.github/workflows/cd.yml

@@ -16,7 +16,7 @@ jobs:
       - name: Setup Go
         uses: actions/setup-go@v1
         with:
-          go-version: 1.20.x
+          go-version: 1.21.x
       - name: Run goreleaser
         uses: goreleaser/goreleaser-action@v1
         with:

.github/workflows/ci.yml

@@ -1,7 +1,7 @@
 name: Continuous Integration
 
 env:
-  GO_VERSION: 1.20
+  GO_VERSION: 1.21
 
 on:
   push:
@@ -27,7 +27,7 @@ jobs:
       - name: Setup Go
         uses: actions/setup-go@v1
         with:
-          go-version: 1.20.x
+          go-version: 1.21.x
       - name: Cache build
         uses: actions/cache@v1
         with:
@@ -49,7 +49,7 @@ jobs:
       - name: Setup Go
         uses: actions/setup-go@v1
         with:
-          go-version: 1.20.x
+          go-version: 1.21.x
       - name: Cache build
         uses: actions/cache@v1
         with:
@@ -77,7 +77,7 @@ jobs:
       - name: Setup Go
         uses: actions/setup-go@v1
         with:
-          go-version: 1.20.x
+          go-version: 1.21.x
       - name: Cache build
         uses: actions/cache@v1
         with:
@@ -104,7 +104,7 @@ jobs:
       - name: Setup Go
         uses: actions/setup-go@v1
         with:
-          go-version: 1.20.x
+          go-version: 1.21.x
       - name: Cache build
         uses: actions/cache@v1
         with:

.golangci.yml

@@ -26,5 +26,5 @@ linters-settings:
     max-func-lines: 0
 
 run:
-  go: '1.20'
+  go: '1.21'
   timeout: 10m

Dockerfile

@@ -1,6 +1,6 @@
 ARG BASE_IMAGE_BUILDER=golang
-ARG ALPINE_VERSION=3.19
-ARG GO_VERSION=1.20
+ARG ALPINE_VERSION=3.20
+ARG GO_VERSION=1.21
 
 FROM ${BASE_IMAGE_BUILDER}:${GO_VERSION}-alpine${ALPINE_VERSION} AS builder
 ARG GOARCH=amd64