🚀‏‏‎ ‎‏‏‎‏‏‎‎‎‎‎‎Copper is a Go toolkit complete with everything you need to build web apps.

Last update: Jan 7, 2023

Comments: 2

Copper

Copper is a Go toolkit complete with everything you need to build web apps. It focuses on developer productivity and makes building web apps in Go more fun with less boilerplate and out-of-the-box support for common needs.

🚀 Fullstack Toolkit

Copper provides a toolkit complete with everything you need to build web apps quickly.

📦 One Binary

Build frontend apps along with your backend and ship everything in a single binary.

🔨 Frontend Tooling

Comes with frontend tooling built-in for vanilla JS, React, Vue and other frameworks.

📝 Server-side HTML

Copper includes utilities that help build web apps with server rendered HTML pages.

💡 Auto Restarts

Copper detects changes and automatically restarts server to save time.

🏗 Scaffolding

Skip boilerplate and scaffold code for your packages, database queries and routes.

🔋 Batteries Included

Includes CLI, lint, dev server, frontend tooling, config management, and more!

🔩 First-party packages

Includes packages for authentication, pub/sub, queues, emails, and websockets.

Current Status

💎️ Copper is currently in preview as new features are added. While the APIs are unlikely to change in any major ways, some details may change as they are refined. Feedback and contributions are welcome!

Getting Started

Copper requires Go 1.16+, Node 12+

Install the Copper CLI

❯ go install github.com/gocopper/cli/cmd/copper@latest

Install Wire CLI

❯ go install github.com/google/wire/cmd/wire@latest

Scaffold your project

❯ copper init
? What's the module name for your project? xnotes

# Create Project Files

 SUCCESS  Create xnotes/config/local.toml (Took 1ms)
 SUCCESS  Create xnotes/go.mod (Took 0s)
 SUCCESS  Create xnotes/pkg/app/handler.go (Took 0s)
 SUCCESS  Create xnotes/pkg/app/wire.go (Took 0s)
 SUCCESS  Create xnotes/pkg/web/public/favicon.svg (Took 1ms)
 SUCCESS  Create xnotes/pkg/web/public/logo.svg (Took 0s)
 SUCCESS  Create xnotes/pkg/web/src/pages/index.html (Took 0s)
 SUCCESS  Create xnotes/config/prod.toml (Took 0s)
 SUCCESS  Create xnotes/cmd/migrate/wire.go (Took 0s)
 SUCCESS  Create xnotes/pkg/app/migrations.go (Took 0s)
 SUCCESS  Create xnotes/pkg/web/wire.go (Took 0s)
 SUCCESS  Create xnotes/.golangci.yaml (Took 0s)
 SUCCESS  Create xnotes/cmd/app/main.go (Took 1ms)
 SUCCESS  Create xnotes/cmd/app/wire.go (Took 0s)
 SUCCESS  Create xnotes/cmd/migrate/main.go (Took 0s)
 SUCCESS  Create xnotes/config/dev.toml (Took 0s)
 SUCCESS  Create xnotes/pkg/web/src/layouts/main.html (Took 0s)
 SUCCESS  Create xnotes/pkg/web/src/main.js (Took 0s)
 SUCCESS  Create xnotes/pkg/web/vite.config.js (Took 0s)
 SUCCESS  Create xnotes/.gitignore (Took 0s)
 SUCCESS  Create xnotes/pkg/web/package.json (Took 0s)
 SUCCESS  Create xnotes/pkg/web/router.go (Took 0s)
 SUCCESS  Create xnotes/pkg/web/src/styles.css (Took 0s)
 SUCCESS  Create xnotes/config/base.toml (Took 0s)

# First Commands

┌──────────────┐
| cd xnotes    |
| copper build |
| copper watch |
└──────────────┘

Start Project

❯ cd xnotes
❯ copper build
❯ copper watch

Open http://localhost:5901 in your browser

License

MIT

Owner

Copper

Copper is a Go toolkit complete with everything you need to build web apps.

https://github.com/gocopper/copper https://gocopper.dev

Comments

cannot use r.db (type "gorm.io/gorm".DB) as type "github.com/jinzhu/gorm".DB

I'm trying to build tutorial app using copper but following error occured.

func (r *PostsRepo) GetPostByID(ctx context.Context, id string) (*Post, error) {
	db := csql.GetConn(ctx, r.db)
	fmt.Println(db)
	return nil, nil
}

.\main.go:30:27: cannot use r.db (type *"gorm.io/gorm".DB) as type *"github.com/jinzhu/gorm".DB in argument to csql.GetConn

copper create error running HN tutorial: missing hn/web/package.json

golang$ copper create -frontend=go:tailwind github.com/bfollek/hn
  ERROR   Create github.com/bfollek/hn with frontend=go:tailwind, storage=gorm:sqlite (Took 4.234s)
          failed to apply go:tailwind code mod because
          > failed to add npm scripts where wd=hn because
          > failed to open file where fp=hn/web/package.json because
          > open hn/web/package.json: no such file or directory

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Oct 3, 2022

🚀‏‏‎ ‎‏‏‎‏‏‎‎‎‎‎‎Copper is a Go toolkit complete with everything you need to build web apps.

Copper

🚀 Fullstack Toolkit

📦 One Binary

🔨 Frontend Tooling

📝 Server-side HTML

💡 Auto Restarts

🏗 Scaffolding

🔋 Batteries Included

🔩 First-party packages

Current Status

Getting Started

License

Owner

Copper

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Comments

cannot use r.db (type "gorm.io/gorm".DB) as type "github.com/jinzhu/gorm".DB

copper create error running HN tutorial: missing hn/web/package.json

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