Update Dockerfile

Dockerfile

@@ -46,7 +46,9 @@ RUN code-server --install-extension /home/coder/cph-ng-0.5.5.vsix && \
     
 RUN /home/coder/create_languagepacks.sh
 
-RUN --mount=type=secret,id=SECRET_EXAMPLE,mode=0444,required=true \
+RUN --mount=type=secret,id=GH_TOKEN,mode=0444,required=true \
+    --mount=type=secret,id=GH_USERNAME,mode=0444,required=true \
+    --mount=type=secret,id=HUB_NAME,mode=0444,required=true \
     git init && \
     git remote set-url origin https://$(cat /run/secrets/GH_TOKEN)@github.com/$(cat /run/secrets/GH_USERNAME)/$(cat /run/secrets/HUB_NAME).git && \
     git clone https://github.com/$(cat /run/secrets/GH_USERNAME)/$(cat /run/secrets/HUB_NAME).git