The plugin can create an https://github.com/opencontainers/image-spec[OCI image] using https://buildpacks.io/[Cloud Native Buildpacks].
Images can be built using the `build-image` goal.
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@@ -31,9 +30,9 @@ TIP: While the buildpack runs from an <<repackage,executable archive>>, it is no
When the `build-image` repackages the application, it applies the same settings as the `repackage` goal would, i.e. dependencies can be excluded using one of the exclude options, and Devtools is automatically excluded by default (you can control that using the `excludeDevtools` property).
[[build-image-docker-daemon]]
=== Docker daemon
The `build-image` goal requires access to a Docker daemon.
By default, it will communicate with a Docker daemon over a local connection.
This works with https://docs.docker.com/install/[Docker Engine] on all supported platforms without configuration.
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@@ -44,14 +43,20 @@ The following table shows the environment variables and their values:
|===
| Environment variable | Description
| DOCKER_HOST | URL containing the host and port for the Docker daemon - e.g. `tcp://192.168.99.100:2376`
| DOCKER_TLS_VERIFY | Enable secure HTTPS protocol when set to `1` (optional)
| DOCKER_CERT_PATH | Path to certificate and key files for HTTPS (required if `DOCKER_TLS_VERIFY=1`, ignored otherwise)
| DOCKER_HOST
| URL containing the host and port for the Docker daemon - e.g. `tcp://192.168.99.100:2376`
| DOCKER_TLS_VERIFY
| Enable secure HTTPS protocol when set to `1` (optional)
| DOCKER_CERT_PATH
| Path to certificate and key files for HTTPS (required if `DOCKER_TLS_VERIFY=1`, ignored otherwise)
|===
On Linux and macOS, these environment variables can be set using the command `eval $(minikube docker-env)` after minikube has been started.
[[build-image-customization]]
=== Image Customizations
The plugin invokes a {buildpacks-reference}/concepts/components/builder/[builder] to orchestrate the generation of an image.
