Docker, update readme, update dependencies

Dockerfile

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+FROM node:alpine AS server-builder
+
+WORKDIR /app
+
+RUN apk add vips-dev fftw-dev build-base python --no-cache \
+    --repository https://alpine.global.ssl.fastly.net/alpine/edge/community/ \
+    --repository https://alpine.global.ssl.fastly.net/alpine/edge/main/
+
+COPY server/package.json server/package-lock.json ./
+
+RUN npm i --prod --silent
+
+FROM node:alpine AS client-builder
+
+WORKDIR /app
+
+COPY client/package.json client/package-lock.json ./
+
+RUN npm i --silent
+
+COPY client .
+
+RUN npm run build
+
+FROM node:alpine
+
+RUN apk add bash vips --no-cache \
+    --repository https://alpine.global.ssl.fastly.net/alpine/edge/community/
+
+WORKDIR /app
+
+COPY --from=server-builder /app/node_modules node_modules
+COPY server .
+COPY --from=client-builder /app/build public
+COPY --from=client-builder /app/build/index.html views
+
+ENV BASE_URL DATABASE_URL
+
+VOLUME /app/public/uploads
+
+EXPOSE 1337
+
+CMD ["npm", "start"]