{ "install_go_tool_in_postCreate": { "image": "ubuntu:focal", "features": { "go": { "version": "latest", "golangciLintVersion": "1.50.0" } }, "postCreateCommand": "go install filippo.io/mkcert@v1.4.2" }, "install_go_twice": { "image": "mcr.microsoft.com/devcontainers/go:1.18", "features": { "go": { "version": "1.19" } } } }