secrets are not required

Dockerfile

@@ -19,11 +19,11 @@ COPY defaults /app/chat-ui/defaults
 
 COPY .template.env.local .template.env.local
 
-RUN --mount=type=secret,id=MODEL_NAME,mode=0444,required=true \
-    --mount=type=secret,id=MODEL_PARAMS,mode=0444,required=true \
-    --mount=type=secret,id=MONGODB_URL,mode=0444,required=true \
-    --mount=type=secret,id=APP_COLOR,mode=0444,required=true \
-    --mount=type=secret,id=APP_NAME,mode=0444,required=true \
+RUN --mount=type=secret,id=MODEL_NAME,mode=0444 \
+    --mount=type=secret,id=MODEL_PARAMS,mode=0444 \
+    --mount=type=secret,id=MONGODB_URL,mode=0444 \
+    --mount=type=secret,id=APP_COLOR,mode=0444 \
+    --mount=type=secret,id=APP_NAME,mode=0444 \
     MODEL_NAME=$(cat /run/secrets/MODEL_NAME || /app/chat-ui/defaults/MODEL_NAME) && export MODEL_NAME \
     && MODEL_PARAMS=$(cat /run/secrets/MODEL_PARAMS || /app/chat-ui/defaults/MODEL_PARAMS) && export MODEL_PARAMS \
     && MONGODB_URL=$(cat /run/secrets/MONGODB_URL || /app/chat-ui/defaults/MONGODB_URL) && export MONGODB_URL \