Mettre à jour Dockerfile

Dockerfile

@@ -5,6 +5,11 @@ LABEL description="CI for Ğecko project"
 ENV DEBIAN_FRONTEND noninteractive
 #ENV ANDROID_NDK_VERSION 25.1.8937393
 
+# Clean env
+RUN flutter clean
+RUN rm -rf /root/.pub-cache
+RUN flutter pub get
+
 # Install Android NDK
 #RUN yes | sdkmanager "ndk;$ANDROID_NDK_VERSION"
 #ENV ANDROID_NDK_HOME ${ANDROID_SDK_ROOT}/ndk/${ANDROID_NDK_VERSION}