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Merge pull request #47 from imjasonh/updates

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small updates
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Jason Hall 2025-10-15 15:10:07 -04:00 • committed by GitHub
commit 4112c0af37
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3 changed files with 17 additions and 26 deletions
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9
.github/workflows/ci.yml vendored
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@ -14,6 +14,7 @@ jobs:
name: Test name: Test
runs-on: ${{ matrix.os }} runs-on: ${{ matrix.os }}
strategy: strategy:
fail-fast: false
matrix: matrix:
os: [ubuntu-latest, ubuntu-24.04-arm] os: [ubuntu-latest, ubuntu-24.04-arm]
rust: [stable, beta] rust: [stable, beta]
@ -57,12 +58,10 @@ jobs:
- run: make verify-cross-compile - run: make verify-cross-compile
- run: make build - run: make build
- run: make test - run: make test
- run: make test-e2e
# Only run cross-compilation integration test on x86_64 runners
- name: Run integration test (cross-compilation)
if: matrix.os == 'ubuntu-latest'
run: make run-built-image
- run: make run-built-image
if: matrix.os == 'ubuntu-latest'
fmt: fmt:
name: Rustfmt name: Rustfmt
runs-on: ubuntu-latest runs-on: ubuntu-latest

8
Makefile
View file

@ -98,13 +98,9 @@ check: check-fmt lint test
push-ttl: push-ttl:
@echo "Pushing to ttl.sh..." @echo "Pushing to ttl.sh..."
KRUST_REPO=ttl.sh/jason cargo run build ./example/hello-krust KRUST_REPO=ttl.sh/krust cargo run build ./example/hello-krust
push-gar:
@echo "Pushing to gar.sh..."
KRUST_REPO=us-central1-docker.pkg.dev/jason-chainguard/krust cargo run build ./example/hello-krust
run-built-image: run-built-image:
@image=$$(KRUST_REPO=ttl.sh/jason cargo run build ./example/hello-krust) && \ @image=$$(KRUST_REPO=ttl.sh/krust cargo run build ./example/hello-krust) && \
echo "Running image: $$image" && \ echo "Running image: $$image" && \
docker run --rm $$image docker run --rm $$image

26
README.md
View file

@ -19,7 +19,7 @@ krust builds container images for Rust applications without requiring Docker. It
cargo install --path . cargo install --path .
# Set up your repository # 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 # Build and run your Rust app as a container
docker run $(krust build) docker run $(krust build)
@ -90,7 +90,7 @@ krust outputs the pushed image reference by digest to stdout, with all other out
```bash ```bash
# Set your repository prefix # Set your repository prefix
export KRUST_REPO=ttl.sh/jason export KRUST_REPO=<repository-to-push-to>
# Build and push (default behavior) # Build and push (default behavior)
krust build krust build
@ -214,8 +214,7 @@ The tradeoff is that musl has slightly different behavior than glibc in some edg
## Environment Variables ## Environment Variables
- `KRUST_REPO` - Default repository prefix for built images (e.g., `ttl.sh/username`) - `KRUST_REPO` - Default repository prefix for built images
- `KRUST_IMAGE` - Override the full image reference for a build
## Configuration ## Configuration
@ -311,8 +310,8 @@ Example Docker config with various auth methods:
Build and run the example application: Build and run the example application:
```bash ```bash
# Set your repository (ttl.sh provides temporary anonymous storage) # Set your repository
export KRUST_REPO=ttl.sh/jason export KRUST_REPO=<repository-to-push-to>
# Build and push the example (default behavior) # Build and push the example (default behavior)
krust build example/hello-krust krust build example/hello-krust
@ -321,15 +320,12 @@ krust build example/hello-krust
krust build example/hello-krust --no-push krust build example/hello-krust --no-push
# Build, push, and run the example # 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) # Specify a tag to apply to the image
# Images on ttl.sh expire based on the tag: 1h, 2d, 1w, etc. krust build example/hello-krust --tag v1.2.3
krust build example/hello-krust --image ttl.sh/jason/hello:1h
``` ```
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 ## CLI Reference
### Build Command ### Build Command
@ -373,7 +369,7 @@ Options:
```bash ```bash
# Resolve a single file # Resolve a single file
export KRUST_REPO=ttl.sh/myuser export KRUST_REPO=<repository-to-push-to>
krust resolve -f deployment.yaml > resolved.yaml krust resolve -f deployment.yaml > resolved.yaml
# Resolve multiple files # Resolve multiple files
@ -410,7 +406,7 @@ The `resolve` command will:
1. Find all `krust://` references (deduplicates automatically) 1. Find all `krust://` references (deduplicates automatically)
2. Build each unique project once 2. Build each unique project once
3. Push images to the registry 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 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. **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 ```bash
# Build and deploy in one command # Build and deploy in one command
export KRUST_REPO=ttl.sh/myuser export KRUST_REPO=<repository-to-push-to>
krust apply -f deployment.yaml krust apply -f deployment.yaml
# Apply entire directory # Apply entire directory