devcontainer.json

{
  "name": "Kosli CLI Development",
  "build": {
    "dockerfile": "Dockerfile",
    "context": ".."
  },

  // Configure tool-specific properties
  "customizations": {
    "vscode": {
      "settings": {
        "go.gopath": "/go",
        "go.toolsManagement.checkForUpdates": "local",
        "go.useLanguageServer": true,
        "go.lintTool": "golangci-lint",
        "go.lintOnSave": "workspace",
        "editor.formatOnSave": true,
        "[go]": {
          "editor.defaultFormatter": "golang.go",
          "editor.codeActionsOnSave": {
            "source.organizeImports": "explicit"
          }
        }
      },
      "extensions": [
        "DavidAnson.vscode-markdownlint",
        "eamodio.gitlens",
        "golang.go",
        "ms-azuretools.vscode-docker",
        "ms-vscode.makefile-tools",
        "yzhang.markdown-all-in-one"
      ]
    }
  },

  // Use 'forwardPorts' to make a list of ports inside the container available locally
  "forwardPorts": [1515, 8001],

  // Use 'postCreateCommand' to run commands after the container is created
  "postCreateCommand": "go mod download && go install gotest.tools/gotestsum@latest",

  // Features to add to the dev container
  "features": {
    "ghcr.io/devcontainers/features/docker-in-docker:2": {
      "version": "latest",
      "moby": true,
      "dockerDashComposeVersion": "v2"
    },
    "ghcr.io/devcontainers/features/node:1": {
      "version": "lts",
      "nodeGypDependencies": true,
      "installYarnUsingApt": false
    },
    "ghcr.io/devcontainers/features/github-cli:1": {
      "version": "latest"
    }
  },

  // Set environment variables
  "remoteEnv": {
    "CGO_ENABLED": "0",
    "GO111MODULE": "on",
    "GOPATH": "/go"
  },

  // Run as vscode user (non-root)
  "remoteUser": "vscode",

  // Mount docker socket and go module cache
  "mounts": [
    "source=/var/run/docker.sock,target=/var/run/docker.sock,type=bind",
    "source=kosli-cli-gomod,target=/go/pkg/mod,type=volume"
  ]
}