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Example of Bootstrapping New Service

Prerequisites

  • Golang 1.20+
  • GNU Makefile
  • Docker for Mac
  • $GOBIN & $GOROOT are correctly set
  • GO111MODULE is "on"

Step-by-Step Bootstrapping

  1. Update Module.yml for correct service name, port and other attributes if applicable. This file will be used for to setup the Makefile and CI/CD related scripts.

  2. Update go.mod to make sure latest go-lanai library is used

  3. Run

    make init CLI_TAG="main"

    Note: If using released version of go-lanai, "version" can be used instead of "branch" in CLI_TAG="..."

    This step would setup the workspace as following:

    • Setup Golang private repository.
    • Install lanai-cli, which is the CLI tool that come with go-lanai.
    • Generate Makefile-Build for developer day-to-day tasks (build, test, lint, etc.).
    • Generate Makefile-Generated for CI/CD tasks, this file is typically excluded form Source Control.
    • Generate Dockerfile
    • Install Golang CLI utilities that are required for this project. (Module.yml can be used to overwrite this)

  4. Update codegen.yml to prepare for code generation. Make sure service name, port, context-path, etc. to be in sync with Module.yml

  5. Update OpenAPI contract document configs/api-docs-v3.yml

  6. Run

    lanai-cli codegen -o ./

    This step would generate skeleton code based on provided OpenAPI contract and codegen.yml.

  7. Review configs/application.yml and configs/bootstrap.yml

  8. Try run the generated service

    go run cmd/<service-name>/main.go

  9. Verify

    • Service is registered with consul
    • Service is healthy
    • APIs are serving
    • Swagger page can be accessed (this would require auth service)

Appendix 1: Useful Admin Endpoints

GET /context-path/admin/info

Show application information.

GET /context-path/admin/health

Show health status.

GET /context-path/admin/env

Show all properties applied to the running service and their sources.

GET/POST /context-path/admin/loggers

Show and Modify log levels

Appendix 1: Common CLI Commands

Build

make build

Test

make test

Code Lint

make lint

Force Makefile/Dockerfile

make init FORCE=true

Init with different lanai-cli Version

make init CLI_TAG="<github-branch>"

e.g.

make init CLI_TAG="develop"