feat: functional download server

using micro

Dockerfile

@@ -1,23 +1,23 @@
 FROM node:12-alpine
 
-# install/build node modules, with full c build chain
-WORKDIR /app
-
 # install youtube-dl
 RUN set -xe \
     && apk add --no-cache ca-certificates \
                           ffmpeg \
                           openssl \
                           python3 \
+    && pip3 install --upgrade pip \
     && pip3 install youtube-dl
 
 # install app dependencies
+WORKDIR /app
+
 RUN npm install -g yarn
 COPY package.json yarn.lock ./
 RUN yarn install
 
-WORKDIR /app
-VOLUME /app/data
-COPY --from=0 /build .
+ENV NODE_ENV=development
+
 COPY . .
+VOLUME /app/data
 ENTRYPOINT ["yarn", "start"]