Improved Dockerfile.

Dockerfile

@@ -1,30 +1,26 @@
 FROM node AS node
 
+FROM selenium/standalone-firefox AS ff
+
 FROM python:3.7-buster
 
-ENV DEBIAN_FRONTEND noninteractive
+ENV DEBIAN_FRONTEND=noninteractive
 
 COPY --from=node /usr/local /usr/local
 COPY --from=node /opt /opt
-ARG FIREFOX_VERSION=latest
-RUN FIREFOX_DOWNLOAD_URL=$(if [ $FIREFOX_VERSION = "latest" ] || [ $FIREFOX_VERSION = "nightly-latest" ] || [ $FIREFOX_VERSION = "devedition-latest" ]; then echo "https://download.mozilla.org/?product=firefox-$FIREFOX_VERSION-ssl&os=linux64&lang=en-US"; else echo "https://download-installer.cdn.mozilla.net/pub/firefox/releases/$FIREFOX_VERSION/linux-x86_64/en-US/firefox-$FIREFOX_VERSION.tar.bz2"; fi) \
-    && apt-get update -qqy \
-    && apt-get -qqy --no-install-recommends install firefox-esr \
-    && rm -rf /var/lib/apt/lists/* /var/cache/apt/* \
-    && wget --no-verbose -O /tmp/firefox.tar.bz2 $FIREFOX_DOWNLOAD_URL \
-    && apt-get -y purge firefox-esr \
-    && rm -rf /opt/firefox \
-    && tar -C /opt -xjf /tmp/firefox.tar.bz2 \
-    && rm /tmp/firefox.tar.bz2 \
-    && mv /opt/firefox /opt/firefox-$FIREFOX_VERSION \
- && ln -fs /opt/firefox-$FIREFOX_VERSION/firefox /usr/bin/firefox
+COPY --from=ff /opt/firefox-latest /opt/firefox-latest
+COPY --from=ff /opt/geckodriver* /opt/
 COPY . /app
 WORKDIR /app/bot.z_web
-RUN yarn install \
+RUN apt-get update \
+    && apt-get install -y $(apt-cache depends firefox-esr| awk '/Depends:/{print$2}') \
+    && ln -s /opt/firefox-latest/firefox /usr/bin/firefox \
+    && ln -s /opt/geckodriver* /usr/bin/geckodriver \
+    && yarn install \
     && yarn build \
     && mkdir -p /app/api/assets \
     && cp -r build/* /app/api/assets/ \
- && rm -r node_modules/
+ && rm -r node_modules/ /var/lib/apt/lists/* /var/cache/apt/* /tmp/*
 WORKDIR /app
 RUN python setup.py develop
 
@@ -32,3 +28,4 @@ EXPOSE 3003
 VOLUME ["/app/bot.z_web/node_modules"]
 
 ENTRYPOINT ["z_app"]
+CMD ["-a", "0.0.0.0"]