disable all platforms

Dockerfile

@@ -42,7 +42,16 @@ RUN apk add --no-cache bash git gcompat \
 USER ${USERNAME}
 WORKDIR /home/${USERNAME}
 
-RUN dart --disable-analytics && flutter config --no-analytics \
+RUN dart --disable-analytics \
+    && flutter config \
+    --no-analytics \
+    --no-enable-web \
+    --no-enable-linux-desktop \
+    --no-enable-macos-desktop \
+    --no-enable-windows-desktop \
+    --no-enable-android \
+    --no-enable-ios \
+    --no-enable-fuchsia \
     && flutter precache --universal
 
 # Test flutter