Merge pull request #60 from codecrafters-io/Update-go-version-to-1.21

CC-875 update go to 1.21

Author: libmartinito

compiled_starters/go/codecrafters.yml

@@ -7,5 +7,5 @@ debug: false
 # Use this to change the Go version used to run your code
 # on Codecrafters.
 #
-# Available versions: go-1.19
-language_pack: go-1.19
+# Available versions: go-1.21
+language_pack: go-1.21

dockerfiles/go-1.21.Dockerfile

@@ -0,0 +1,19 @@
+FROM golang:1.19-alpine
+
+COPY go.mod /app/go.mod
+COPY go.sum /app/go.sum
+
+WORKDIR /app
+
+RUN go mod download
+
+# Starting from Go 1.20, the go standard library is no loger compiled
+# setting the GODEBUG environment to "installgoroot=all" restores the old behavior
+RUN GODEBUG="installgoroot=all" go install std
+
+# Even though modules are downloaded, building them could take a while.
+# Let's run go get on each module so that they're built ahead of time.
+# Ref: https://github.com/montanaflynn/golang-docker-cache
+RUN ash -c "set -exo pipefail; go mod graph | awk '{if (\$1 !~ \"@\") {print \$2}}' | xargs -r go get"
+
+ENV CODECRAFTERS_DEPENDENCY_FILE_PATHS="go.mod,go.sum"

solutions/go/01-init/code/codecrafters.yml

@@ -7,5 +7,5 @@ debug: false
 # Use this to change the Go version used to run your code
 # on Codecrafters.
 #
-# Available versions: go-1.19
-language_pack: go-1.19
+# Available versions: go-1.21
+language_pack: go-1.21

starter_templates/codecrafters.yml

@@ -16,8 +16,8 @@ language_pack: python-3.12
 language_pack: swift-5.7
 {{/ language_is_swift }}
 {{# language_is_go }}
-# Available versions: go-1.19
-language_pack: go-1.19
+# Available versions: go-1.21
+language_pack: go-1.21
 {{/ language_is_go }}
 {{# language_is_php }}
 # Available versions: php-7.4