Merge pull request #42 from kubeshop/mm/feat/webappdocker

feat: add docker files

web/. dockerignore

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+node_modules
+build
+.dockerignore
+Dockerfile

web/Dockerfile

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+# build environment
+FROM node:16.14.0-alpine as build
+WORKDIR /app
+ENV PATH /app/node_modules/.bin:$PATH
+COPY package.json ./
+COPY package-lock.json ./
+RUN npm ci --silent
+COPY . ./
+RUN npm run build
+
+# production environment
+FROM nginx:stable-alpine
+COPY --from=build /app/build /usr/share/nginx/html
+# new
+COPY nginx/nginx.conf /etc/nginx/conf.d/default.conf
+EXPOSE 80
+CMD ["nginx", "-g", "daemon off;"]

web/nginx/nginx.conf

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+server {
+
+  listen 80;
+
+  location / {
+    root   /usr/share/nginx/html;
+    index  index.html index.htm;
+    try_files $uri $uri/ /index.html;
+  }
+
+  error_page   500 502 503 504  /50x.html;
+
+  location = /50x.html {
+    root   /usr/share/nginx/html;
+  }
+
+}