message: Update alpine dockerfile
  Since I don't know how to generate the config file without launching the server, this should do. Since it's only a build process, shouldn't matter too much.
diff: @@ -8,7 +8,7 @@ RUN mkdir -p /build/release/data/config && \
  mkdir -p /build/release/data/db && \
  mkdir -p /build/release/data/image && \
  mkdir -p /build/release/data/TEMP && \
  - cd /build/release && node backend/server.js && \
  + cd /build/release && node src/backend/server.js || true && \
  sed -i 's/demo/data/g' config.json && sed -i 's@sqlite\.db@data/db/sqlite\.db@' config.json && \
  mv /build/release/config.json /build/release/data/config/config.json
  