Add Go 1.23 and remove Go 1.20

.github/workflows/build-docker-image.yml

@@ -8,23 +8,23 @@ on:
     - cron: '5 0 */15 * *'
   workflow_dispatch:
 
-# Build docker image for golang latest, 1.21, 1.20
+# Build docker image for golang latest, 1.23, 1.22, 1.21
 
 jobs:
   build:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        GO_VERSION: ["alpine", "1.22-alpine", "1.21-alpine", "1.20-alpine"]
+        GO_VERSION: ["alpine", "1.23-alpine", "1.22-alpine", "1.21-alpine"]
         include:
           - GO_VERSION: "alpine"
             output_image: "thomas2500/golang-helper:latest"
+          - GO_VERSION: "1.23-alpine"
+            output_image: "thomas2500/golang-helper:1.23"
           - GO_VERSION: "1.22-alpine"
             output_image: "thomas2500/golang-helper:1.22"
           - GO_VERSION: "1.21-alpine"
             output_image: "thomas2500/golang-helper:1.21"
-          - GO_VERSION: "1.20-alpine"
-            output_image: "thomas2500/golang-helper:1.20"
     name: Build golang-helper Image
     steps:
       - name: Checkout code

README.md

@@ -7,9 +7,9 @@ This image is available on [Docker Hub](https://hub.docker.com/r/thomas2500/gola
 
 The following tags are available:
   - **latest** - latest Go version
+  - **1.23** - Go 1.23.X
   - **1.22** - Go 1.22.X
   - **1.21** - Go 1.21.X
-  - **1.20** - Go 1.20.X
 
 This replository only keeps supported versions of Go.