adds a dockerfile for wallet server

scripts/Dockerfile.wallet_server

@@ -0,0 +1,49 @@
+FROM debian:buster-slim
+
+ARG user=lbry
+
+# create an unprivileged user
+RUN groupadd -g 999 $user && useradd -r -u 999 -g $user $user
+RUN mkdir -p /home/$user/
+RUN chown -R $user:$user /home/$user/
+
+# install python, pip, git and clean up
+RUN apt-get update && apt-get -y --no-install-recommends install build-essential git python3.7 python3.7-dev python3-pip && rm -rf /var/lib/apt/lists/*
+
+# create and chown database dir
+ARG db_dir=/database
+RUN mkdir -p $db_dir
+RUN chown -R $user:$user $db_dir
+
+# change into our user
+USER $user
+WORKDIR /home/$user
+
+# RUN pip3 install -U pip (broken on pip 10 https://github.com/pypa/pip/issues/5240)
+RUN python3.7 -m pip install --upgrade pip setuptools
+
+# get torba
+RUN python3.7 -m pip install --user git+https://github.com/lbryio/torba.git#egg=torba
+
+# copy lbrynet
+RUN mkdir projects/
+COPY . projects/lbry
+USER root
+RUN chown -R $user:$user .
+USER $user
+WORKDIR projects/lbry
+RUN python3.7 -m pip install --user -e . && rm ~/.cache -rf
+
+# entry point
+ARG host=0.0.0.0
+ARG tcp_port=50001
+ARG daemon_url=http://lbry:lbry@localhost:9245/
+VOLUME $db_dir
+ENV TCP_PORT=$tcp_port
+ENV HOST=$host
+ENV DAEMON_URL=$daemon_url
+ENV DB_DIRECTORY=$db_dir
+ENV BANDWIDTH_LIMIT=1000000000000000000000000000000000000000000
+ENV MAX_SESSIONS=1000000000
+ENV MAX_SEND=1000000000000000000
+ENTRYPOINT ["/home/lbry/.local/bin/torba-server"]