diff --git a/Dockerfile b/Dockerfile
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+++ b/Dockerfile
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+# base Docker image, remove "-alpine" if having trouble
+FROM node:10.5.0-alpine
+
+# added this step to prevent angular.json not found error
+WORKDIR /usr/src
+
+COPY . .
+
+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", "--", "--host", "0.0.0.0"]