Added Dockerfile written by Fusl

Dockerfile

@@ -0,0 +1,11 @@
+FROM python:3
+ENV LC_ALL=C
+RUN echo deb http://deb.debian.org/debian buster-backports main contrib > /etc/apt/sources.list.d/backports.list \
+ && DEBIAN_FRONTEND=noninteractive DEBIAN_PRIORITY=critical apt-get -qqy --no-install-recommends -o Dpkg::Options::=--force-confdef -o Dpkg::Options::=--force-confold -o Dpkg::Options::=--force-unsafe-io update \
+ && DEBIAN_FRONTEND=noninteractive DEBIAN_PRIORITY=critical apt-get -qqy --no-install-recommends -o Dpkg::Options::=--force-confdef -o Dpkg::Options::=--force-confold -o Dpkg::Options::=--force-unsafe-io install zip rsync curl \
+ && pip install requests youtube_dl \
+ && rm -rf /var/lib/apt/lists/*
+COPY . /grab
+WORKDIR /grab
+STOPSIGNAL SIGKILL
+ENTRYPOINT ["python3", "worker.py"]