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https://github.com/kriscfoster/multi-language-bazel-monorepo
Experimenting with bazel & multiple languages in a monorepo.
https://github.com/kriscfoster/multi-language-bazel-monorepo
Last synced: about 1 month ago
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Experimenting with bazel & multiple languages in a monorepo.
- Host: GitHub
- URL: https://github.com/kriscfoster/multi-language-bazel-monorepo
- Owner: kriscfoster
- Created: 2021-12-18T15:24:17.000Z (almost 3 years ago)
- Default Branch: main
- Last Pushed: 2023-10-06T14:05:12.000Z (about 1 year ago)
- Last Synced: 2024-10-28T18:14:22.785Z (about 2 months ago)
- Language: Starlark
- Size: 255 KB
- Stars: 105
- Watchers: 4
- Forks: 40
- Open Issues: 1
-
Metadata Files:
- Readme: README.md
Awesome Lists containing this project
- awesome-bazel - kriscfoster/multi-language-bazel-monorepo
README
# multi-language-bazel-monorepo
I wanted to try to set up a multi-language monorepo using [bazel](https://bazel.build/) for experimentation purposes. You can follow the journey on YouTube.
1. [Bazel Tutorial: (Part 1) Getting Started, Bazelisk & our First Build Targets](https://youtu.be/BZYj6yfA6Bs).
2. [Bazel Tutorial: How to Build, Run, Test & Query (deps, rdeps, tags)](https://youtu.be/vZnXXx4Oh7c).
3. [Bazel Tutorial: Python targets with py_library, py_test, py_binary (internal & external deps)](https://youtu.be/8P3m1-U7v0k).
4. [GitHub Actions for Bazel Monorepo - Building & Testing (CI)](https://youtu.be/qiZXFdd8OPo).
5. [Bazel & Go Tutorial: Targets with go_library, go_test & go_binary (internal & external deps)](https://youtu.be/DB_kWimE2bw).
6. [Bazel & NodeJS Tutorial: library, test & nodejs_binary (internal & external deps)](https://youtu.be/lmWjRhFhvSc).
7. [Bazel & Docker Tutorial: Building container images with bazel (local & remote registry)](https://youtu.be/hLD6vKl4Txc).
8. [Deploying from a Bazel Monorepo to Heroku](https://youtu.be/AHvON-xl_Ds).
9. [Using Gazelle to Improve Multi-Language Bazel Monorepo](https://youtu.be/MUP35hfK0q4).
10. [Bazel & Java Tutorial: java_library & java_binary (internal & external dependencies)](https://youtu.be/HPTzVHOcins).
11. [Bazel & Docker: Using Custom Base Images](https://youtu.be/thYPUrhA82A).
## Prerequisites
- [bazelisk installed](https://github.com/bazelbuild/bazelisk) (`brew install bazelisk` on mac) - bazel launcher that also manages the bazel installation & version using the [.bazelversion](./.bazelversion) file.
## Useful Commands
### Updating npm dependencies from package.json
- `bazel run -- @pnpm//:pnpm i --dir $PWD`
### Build all targets
- `bazel build //...`
### Test all test targets
- `bazel test //...`
### Sync Go Dependencies with `go.mod`
- `bazel run //:gazelle-update-repos`
### Format BUILD.bazel files (completely generates BUILd.bazel files for go projects)
- `bazel run //:gazelle`
### Run Python web app
- `bazel run //projects/python_web`
- http://localhost:5000
### Run Go web app
- `bazel run //projects/go_web`
- http://localhost:8080
### Run NodeJS web app
- `bazel run //projects/node_web`
- http://localhost:8080
### Run TypeScript app
- `bazel run //projects/ts_app`
### Build & Run NodeJS web app docker image
```
➜ bazel run projects/node_web:oci_tarball
...
Loaded image: projects/node_web:oci_tarball
...
➜ docker run -p 8080:8080 projects/node_web:oci_tarball
...
listening on port 8080
```
### Build & Run Go web app docker image (amd64)
```
➜ bazel run projects/go_web:oci_tarball_amd64
...
Loaded image: projects/go_web:oci_tarball_amd64
➜
➜ docker run projects/go_web:oci_tarball_amd64
2023/08/27 13:40:22 running program's operating system target: linux
2023/08/27 13:40:22 running program's architecture target: amd64
2023/08/27 13:40:22 Going to listen on port: 8080
```
### Build & Run Go web app docker image (arm64)
```
➜ bazel run projects/go_web:oci_tarball_arm64
...
Loaded image: projects/go_web:oci_tarball_arm64
➜
➜ docker run projects/go_web:oci_tarball_arm64
2023/08/27 13:40:58 running program's operating system target: linux
2023/08/27 13:40:58 running program's architecture target: arm64
2023/08/27 13:40:58 Going to listen on port: 8080
```
### Deploying Go web app to Heroku
```
➜ bazel run projects/go_web:bazoku-deployment --platforms=@io_bazel_rules_go//go/toolchain:linux_amd64
...
```
### Publishing Multi-arch Docker image to DockerHub
```
➜ bazel run examples/multi_arch_go:publish
...
2023/08/18 16:41:38 registry.hub.docker.com/krisfoster96/monorepo-go-web:6: digest: sha256:c50ffe127f340301993cbc323e510211d6dab9a547aa1b1a81035426e4e9d1b1 size: 648
```
```
➜ docker buildx imagetools inspect registry.hub.docker.com/krisfoster96/monorepo-go-web:6
Name: registry.hub.docker.com/krisfoster96/monorepo-go-web:6
MediaType: application/vnd.oci.image.index.v1+json
Digest: sha256:c50ffe127f340301993cbc323e510211d6dab9a547aa1b1a81035426e4e9d1b1
Manifests:
Name: registry.hub.docker.com/krisfoster96/monorepo-go-web:6@sha256:18b8c8a2606c3daf70a86db275c850080353bf5bd79a7045cca6732736b693c3
MediaType: application/vnd.oci.image.manifest.v1+json
Platform: linux/arm64
Name: registry.hub.docker.com/krisfoster96/monorepo-go-web:6@sha256:fbc6e9ca088bbb683c0743b16aa98b51583e7af8564febd26154e638b12b484a
MediaType: application/vnd.oci.image.manifest.v1+json
Platform: linux/amd64
```
```
➜ docker run --platform linux/arm64 registry.hub.docker.com/krisfoster96/monorepo-go-web:6
...
2023/08/18 15:56:08 running program's operating system target: linux
2023/08/18 15:56:08 running program's architecture target: arm64
2023/08/18 15:56:08 Going to listen on port: 8080
```
```
➜ docker run --platform linux/amd64 registry.hub.docker.com/krisfoster96/monorepo-go-web:6
...
2023/08/18 15:56:08 running program's operating system target: linux
2023/08/18 15:56:08 running program's architecture target: amd64
2023/08/18 15:56:08 Going to listen on port: 8080
```