Update 'Dockerfile'

Dockerfile

@@ -1,24 +1,13 @@
-FROM reactnativecommunity/react-native-android:2.1
-# set locale to utf8 for fastlane
-ENV LANG C.UTF-8
-ENV LC_ALL C.UTF-8
-# install bundler
-RUN gem install bundler
+FROM node:17-alpine
 
+WORKDIR /app
 
-all: build
-VERSION = 2.1
+COPY pakage.json .
 
+RUN npm install
 
-build:
-  docker build --tag itporbit/react-native-android:${VERSION} .
+COPY . .
 
+EXPOSE 3000
 
-push: build
-  docker push itporbit/react-native-android:${VERSION}
-  git tag react-native-android/${VERSION} HEAD
-  git push --tags
-
-
-run: build
-  docker run --rm -ti itporbit/react-native-android:${VERSION}
+CMD ["npm", "start"]