feat: Added labels to all images

as required by Artifacthub
https://artifacthub.io/docs/topics/repositories/container-images/

Author: dploeger

.github/workflows/image.yml

@@ -70,7 +70,18 @@ jobs:
                 run: |
                     cat build/Dockerfile.prefix > Dockerfile
                     cat "flavour/${{ matrix.flavour.name }}/Dockerfile.flavour" >> Dockerfile
-                    cat build/Dockerfile.suffix >> Dockerfile
+                    
+                    # Download mo
+                    curl -sSL https://raw.githubusercontent.com/tests-always-included/mo/master/mo -o mo
+                    chmod +x mo
+                    
+                    export BUILD_DATE=$(date -Ins)
+                    
+                    cat build/Dockerfile.suffix | ./mo >> Dockerfile
+                    
+                    rm mo
+                env:
+                    FLAVOUR: "${{ matrix.flavour.name }}"
 
             -   name: Clean up Docker
                 run: |

build/Dockerfile.suffix

@@ -24,3 +24,14 @@ USER cloudcontrol
 ENTRYPOINT ["/usr/local/bin/cloudcontrol"]
 WORKDIR /home/cloudcontrol
 CMD ["serve"]
+
+# Labels
+
+LABEL io.artifacthub.package.readme-url=https://github.com/dodevops/cloudcontrol
+LABEL org.opencontainers.image.created={{BUILD_DATE}}
+LABEL org.opencontainers.image.description="The cloud engineer's toolbox - {{FLAVOUR}} flavour"
+LABEL org.opencontainers.image.documentation=https://github.com/dodevops/cloudcontrol
+LABEL org.opencontainers.image.source=https://github.com/dodevops/cloudcontrol
+LABEL org.opencontainers.image.title="cloudcontrol-{{FLAVOUR}}"
+LABEL org.opencontainers.image.url=https://github.com/dodevops/cloudcontrol
+LABEL org.opencontainers.image.vendor="DO! DevOps"