Migrated dockerfile from a different PR I submitted.

lbrynet-daemon/Dockerfile

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+## Base Image
+FROM ubuntu:18.04
+MAINTAINER chamunks [at] gmail [dot] com
+
+RUN apt-get update && apt-get -y install unzip
+# RUN mkdir -pv /app && chown 1000:1000 /app
+RUN adduser lbrynet --gecos GECOS --shell /bin/bash/ --disabled-password --home /data/
+
+## Add lbrynet
+ADD https://lbry.io/get/lbrynet.linux.zip /data/lbrynet.linux.zip
+RUN unzip /data/lbrynet.linux.zip -d /data/ && \
+    rm /data/lbrynet.linux.zip && \
+    chown -Rv lbrynet:lbrynet /app
+
+## Install into PATH
+RUN mv /data/lbrynet-* /bin/ && \
+    ls -lAh /bin/
+
+## Daemon port [Intended for internal use]
+EXPOSE 4444
+## Peer port
+## Intended for external use, in other words publishing to host might be required.
+EXPOSE 3333
+## Wallet port [Intended for internal use]
+EXPOSE 50001
+
+## Undocumented ports that exist in conf.py
+## API port
+# EXPOSE 5279
+# ## Reflector port
+# EXPOSE 5566
+
+## VOLUMES
+## Right now the volumes are just added in a commented out state but if the end
+## user would prefer to add volumes to their own usage cases all they will need
+## to do is uncomment what they require and then build the container using docker-compose.yml
+
+## Volumize the wallets in a separate location for backup purposes may be unnecessary.
+# VOLUME /data/.local/share/lbry/lbryum/wallets
+# VOLUME /data/.local/
+## If the config ends up needing it's own volume it should be located here.
+# VOLUME /etc/lbry/conf.py
+## Downloaded blobs will be in their own separate volume for keeping backups of critical secrets and data separate from backups of potentially massive blob files.
+# VOLUME /data/Downloads/
+
+## Never run container processes as root
+USER lbrynet
+## Run on container launch
+CMD ["lbrynet-daemon"]
+
+## Setting this entrypoint should mean that you can `docker exec lbrynet commands`
+## and you should be able to control the daemon's CLI this way.  There is an
+## alternative method we could use here where we have an entrypoint shell script which could be a bit smarter.
+## An docker-entrypoint should eventually be created and installed into the container $PATH with a config install script that checks for the existance of a config.py and if it exists don't install docker envvars established elsewhere.
+## If the container doesn't detect a conf.py file however have it install a fresh copy into /etc/lbry/conf.py and run that from a fresh copy from somewhere sensible.
+# ENTRYPOINT ["lbrynet-cli"]