imjasonh/krust
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small updates

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Signed-off-by: Jason Hall <jason@chainguard.dev>
This commit is contained in:
Jason Hall 2025-10-15 14:59:48 -04:00
parent bcdf3896e3
commit ce4fb911a7
3 changed files with 14 additions and 27 deletions
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README.md
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@ -19,7 +19,7 @@ krust builds container images for Rust applications without requiring Docker. It
cargo install --path .
# Set up your repository
export KRUST_REPO=ttl.sh/$USER
export KRUST_REPO=<repository-to-push-to>
# Build and run your Rust app as a container
docker run $(krust build)
@ -90,7 +90,7 @@ krust outputs the pushed image reference by digest to stdout, with all other out
```bash
# Set your repository prefix
export KRUST_REPO=ttl.sh/jason
export KRUST_REPO=<repository-to-push-to>
# Build and push (default behavior)
krust build
@ -214,8 +214,7 @@ The tradeoff is that musl has slightly different behavior than glibc in some edg
## Environment Variables
- `KRUST_REPO` - Default repository prefix for built images (e.g., `ttl.sh/username`)
- `KRUST_IMAGE` - Override the full image reference for a build
- `KRUST_REPO` - Default repository prefix for built images
## Configuration
@ -311,8 +310,8 @@ Example Docker config with various auth methods:
Build and run the example application:
```bash
# Set your repository (ttl.sh provides temporary anonymous storage)
export KRUST_REPO=ttl.sh/jason
# Set your repository
export KRUST_REPO=<repository-to-push-to>
# Build and push the example (default behavior)
krust build example/hello-krust
@ -321,15 +320,12 @@ krust build example/hello-krust
krust build example/hello-krust --no-push
# Build, push, and run the example
docker run $(krust build example/hello-krust)
docker run --rm $(krust build example/hello-krust)
# Or specify a custom image name with TTL (time-to-live)
# Images on ttl.sh expire based on the tag: 1h, 2d, 1w, etc.
krust build example/hello-krust --image ttl.sh/jason/hello:1h
# Specify a tag to apply to the image
krust build example/hello-krust --tag v1.2.3
```
Note: [ttl.sh](https://ttl.sh) is a free, temporary container registry perfect for testing. Images are automatically deleted after their TTL expires.
## CLI Reference
### Build Command
@ -373,7 +369,7 @@ Options:
```bash
# Resolve a single file
export KRUST_REPO=ttl.sh/myuser
export KRUST_REPO=<repository-to-push-to>
krust resolve -f deployment.yaml > resolved.yaml
# Resolve multiple files
@ -410,7 +406,7 @@ The `resolve` command will:
1. Find all `krust://` references (deduplicates automatically)
2. Build each unique project once
3. Push images to the registry
4. Replace references with concrete digests (e.g., `ttl.sh/user/app@sha256:...`)
4. Replace references with concrete digests (i.e., `@sha256:...`)
5. Output resolved YAML to stdout
**Note**: Multiple references to the same path are deduplicated - the image is built only once and all references are updated with the same digest.
@ -437,7 +433,7 @@ Options:
```bash
# Build and deploy in one command
export KRUST_REPO=ttl.sh/myuser
export KRUST_REPO=<repository-to-push-to>
krust apply -f deployment.yaml
# Apply entire directory