go20/day01/devcontainer/.devcontainer/devcontainer.json

{
  "name": "Go Dev Container (demo)",
  "build": {
    "dockerfile": ".devcontainer/Dockerfile"
  },
  "remoteUser": "vscode",
  "workspaceFolder": "/workspaces/${localWorkspaceFolderBasename}",
  "postCreateCommand": "cd demo && go mod download && go install github.com/go-delve/delve/cmd/dlv@latest",
  "customizations": {
    "vscode": {
      "extensions": ["golang.go"],
      "settings": {
        "go.useLanguageServer": true,
        "go.toolsManagement.autoUpdate": true,
        "go.gopath": "/go",
        "go.testFlags": ["-v"],
        "go.lintTool": "golangci-lint",
        "go.lintFlags": ["--fast"],
        "[go]": {
          "editor.formatOnSave": true
        }
      }
    }
  }
}