Update Dockerfile

Dockerfile

@@ -15,14 +15,18 @@ USER root
 # ENV PATH="/home/user/.local/bin:$PATH"
 # # ^ when run as `user`, pip installs executables there
 
-
-
 RUN --mount=type=secret,id=key,mode=0444,required=true \
-    echo "export key=$(cat /run/secrets/key)" >> /etc/environment
+    export key=$(cat /run/secrets/key) && \
+    echo "Key is: $key"
+
+# Persist the value
+ENV key=$(cat /run/secrets/key)
 
 
 # RUN --mount=type=secret,id=key,mode=0444,required=true \
-#     echo "key=$(cat /run/secrets/key)" >> /etc/environment 
+#     echo "export key=$(cat /run/secrets/key)" >> /etc/environment
+
+
     
 RUN echo "Key is: $key"