Update github action to use go 21 (#334)

.github/workflows/go.yml

@@ -17,7 +17,7 @@ jobs:
     - name: Set up Go
       uses: actions/setup-go@v4
       with:
-        go-version: 1.19
+        go-version: 1.21
     - name: Check out code
       uses: actions/checkout@v3
     - name: Build

.gitignore

@@ -8,6 +8,7 @@ alive
 ready
 debug
 mittens
+oryxBuildBinary
 
 website/translated_docs
 website/build/

Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:1.19 as builder
+FROM golang:1.21 as builder
 # Create required dirs and copy files
 RUN mkdir -p /mittens
 COPY ./ /mittens/

README.md

@@ -34,7 +34,7 @@ We provide a [Makefile](Makefile) which can be used to generate an executable bi
 
 ### Binary
 
-To build the binary make sure you've installed [Go 1.19](https://golang.org/dl/).
+To build the binary make sure you've installed [Go 1.21](https://golang.org/dl/).
 
 #### Build binary executable & run tests
 

docs/installation/building.md

@@ -8,7 +8,7 @@ We provide a [Makefile](https://github.com/ExpediaGroup/mittens/blob/main/Makefi
 
 ### Binary
 
-To build the binary make sure you've installed [Go 1.19](https://golang.org/dl/).
+To build the binary make sure you've installed [Go 1.21](https://golang.org/dl/).
 
 #### Build binary executable & run unit tests
 

go.mod

@@ -21,4 +21,4 @@ require (
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 )
 
-go 1.19
+go 1.21