diff --git a/Dockerfile b/Dockerfile
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+FROM node:10.5.0-alpine
+
+# added this step to prevent angular.json not found error
+WORKDIR /usr/src
+
+COPY . .
+
+# replace ng serve with ng serve --host 0.0.0.0 so that it serves outside
+# install jq for json edit
+RUN apk update \
+	&& apk add jq
+	
+# replace package.json
+RUN input_json="package.json" \
+	&& tmp_json="tmp.json" \
+	&& jq '.scripts.start = "ng serve --host 0.0.0.0"' $input_json > $tmp_json \
+	&& mv $tmp_json $input_json
+	
+# remove jq
+RUN apk del jq
+
+RUN npm install
+RUN npm audit fix
+# running this a second time does seem to fix another vuln.
+RUN npm audit fix
+# this sometimes do get fixed beforehand
+RUN npm update ws --depth 4
+
+EXPOSE 4200
+
+CMD ["npm", "start"]
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