Update Dockerfile

Dockerfile

@@ -11,10 +11,10 @@ WORKDIR /app
 
 # Receive Git URL from build argument
 
-RUN --mount=type=secret,id=GIT_REP,mode=0444,required=true 
+RUN --mount=type=secret,id=URL,mode=0444,required=true 
 
-RUN echo "Cloning repository: ${GIT_REP}" && \
-    git clone https://$(cat /run/secrets/GIT_REP)  /app/fastn8n
+RUN echo "Cloning repository: ${URL}" && \
+    git clone $(cat /run/secrets/URL)   /app/fastn8n
 
 WORKDIR /app/fastn8n