update unpack-api README

- reorder sections.
- use ghcr.io instead of gitlab registry

Author: max-fatouros

unpack-api/README.md

@@ -14,31 +14,31 @@ This server then forwards that image, along with a pipeline trigger token, to an
 1. This API authenticates the Client (ensures the pipeline was ran from within a specific GitLab/GitHub instance).
 1. This API sends a request to a different workflow to unpack the image.
 
-## Install
-
-Using podman (or docker), run
+## Setup
 
-```bash
-podman create -p 8000:8000 --env-file=.env --name unpack-api  gitlab-registry.cern.ch/mfatouro/unpack-to-cvmfs/unpack-api:latest
-```
+### Configure
 
-Otherwise, this package can be installed with
+Copy the sample configuration
 
 ```bash
-pip install .
+cp .env.sample .env
 ```
 
-## Setup
+Then open .env and set the values for your use case.
 
-### Configure
+## Install
 
-Copy the sample configuration
+Using podman (or docker), run
 
 ```bash
-cp .env.sample .env
+podman create -p 8000:8000 --env-file=.env --name unpack-api ghcr.io/cvmfs-contrib/cvmfs-unpack-api/unpack-api:main
 ```
 
-Then open .env and set the values for your use case.
+Otherwise, this package can be installed with
+
+```bash
+pip install .
+```
 
 ### Run as a Service