woodpecker/docs/docs/10-intro.md
luzpaz 9b687a923e
Fix various typos (#416)
Fix various typos found via `codespell -q 3 -S vendor -L pullrequest,pullrequests`
2021-10-08 18:35:56 +02:00

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# Welcome to Woodpecker
Woodpecker is a simple CI engine with great extensibility.
![woodpecker](woodpecker.png)
## .woodpecker.yml
- Place your pipeline in a file named `.woodpecker.yml` in your repository
- Pipeline steps can be named as you like
- Run any command in the commands section
```yaml
# .woodpecker.yml
pipeline:
build:
image: debian
commands:
- echo "This is the build step"
a-test-step:
image: debian
commands:
- echo "Testing.."
```
### Build steps are containers
- Define any Docker image as context
- Install the needed tools in custom Docker images, use them as context
```diff
pipeline:
build:
- image: debian
+ image: mycompany/image-with-awscli
commands:
- aws help
```
### File changes are incremental
- Woodpecker clones the source code in the beginning pipeline
- Changes to files are persisted through steps as the same volume is mounted to all steps
```yaml
# .woodpecker.yml
pipeline:
build:
image: debian
commands:
- touch myfile
a-test-step:
image: debian
commands:
- cat myfile
```
## Plugins are straightforward
- If you copy the same shell script from project to project
- Pack it into a plugin instead
- And make the yaml declarative
- Plugins are Docker images with your script as an entrypoint
```Dockerfile
# Dockerfile
FROM laszlocloud/kubectl
COPY deploy /usr/local/deploy
ENTRYPOINT ["/usr/local/deploy"]
```
```bash
# deploy
kubectl apply -f $PLUGIN_TEMPLATE
```
```yaml
# .woodpecker.yml
pipeline:
deploy-to-k8s:
image: laszlocloud/my-k8s-plugin
template: config/k8s/service.yml
```
See [plugin docs](/docs/usage/plugins/plugins).