docs(docker): update docker image README and build script

Signed-off-by: Andrei Jiroh Halili <[email protected]>

docker/README.md

@@ -1,9 +1,33 @@
 # Custom `mkdocs-material` CI image
 
-Builds on Alpine edge, mostly used by @ajhalili2006 to deploy
-builds over GitLab Ci.
+Builds on Alpine edge, mostly used by @ajhalili2006 to deploy builds over GitLab CI.
+
+## CI Status
+
+| Webhook Event | Badge | Frequency |
+| --- | --- | --- |
+| After push | [![Docker CI](https://github.com/ajhalili2006/website/actions/workflows/docker.yml/badge.svg?event=push)](https://github.com/ajhalili2006/website/actions/workflows/docker.yml) | As commits are mirrored to GitHub, either manually or asynchorously run in GitLab CI |
+| Nightly Builds | [![Docker CI](https://github.com/ajhalili2006/website/actions/workflows/docker.yml/badge.svg?event=schedule)](https://github.com/ajhalili2006/website/actions/workflows/docker.yml) | Runs every 22:30 UTC (6:30 PHT)
+
+## Usage
+
+See the tags list on [GitHub][ghcr] or [Red Hat Quay Container Registry Cloud][quay]
+
+[ghcr]: https://github.com/ajhalili2006/website/pkgs/container/website%2Fbuild-ci/versions
+[quay]: https://quay.io/repository/ajhalili2006/mkdocs-material-build-ci?tab=tags
+
+```yaml
+# in GitLab CI config...
+image:
+  name: quay.io/ajhalili2006/mkdocs-material-build-ci:latest
+```
+
+```dockerfile
+# ...or via your custom Docker image
+FROM ghcr.io/ajhalili2006/website/build-ci:latest
+```
 
 ## Build from source
 
-After cloning [Andrei Jiroh's website sources](https://mau.dev/andreijiroh.dev/website), you can run the `build.sh` script
-(see script source for available options)
+Run the `build.sh` script to generate a local build of the image. To overridethe default image tag, set `IMAGE_TAG` shell variable before running.
+If used as part of your CI, add any value to `DEPLOY` variable to run `docker push` for you.

docker/build.sh

@@ -6,7 +6,7 @@ CONTEXT=$ROOTDIR/docker
 DOCKERFILE=$CONTEXT/Dockerfile
 TAG=${IMAGE_TAG:-"quay.io/ajhalili2006/mkdocs-material-build-ci:localdev"}
 
-DOCKER_BUILDKIT=${DOCKER_BUILDKIT:-"0"} \
+DOCKER_BUILDKIT=${DOCKER_BUILDKIT:-"1"} \
   docker build \
   -t $TAG \
   -f "$DOCKERFILE" \