Dockerfile - oransc/ric-plt/a1 - Gitiles

 # ==================================================================================
 #       Copyright (c) 2019-2020 Nokia
 #       Copyright (c) 2018-2020 AT&T Intellectual Property.
 #
 #   Licensed under the Apache License, Version 2.0 (the "License");
 #   you may not use this file except in compliance with the License.
 #   You may obtain a copy of the License at
 #
 #          http://www.apache.org/licenses/LICENSE-2.0
 #
 #   Unless required by applicable law or agreed to in writing, software
 #   distributed under the License is distributed on an "AS IS" BASIS,
 #   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 #   See the License for the specific language governing permissions and
 #   limitations under the License.
 # ==================================================================================

 # This builds an image for A1 based on ubuntu. The build takes between three and four
 # minutes depending on what was previously cached, and results in an image that is
 # roughly 260 MiB in size (as of May 2021)
 #

 FROM python:3.8 as build

 # upgrade pip as root
 RUN pip install --upgrade pip

 # pick up things for gevent build
 #
 RUN apt-get update
 RUN apt-get install -y gcc musl-dev make file libffi-dev g++

 # --- all root operations must be above this line ------------------------------------


 # create a simple user.  This is only really needed in stage 2,
 # however this makes the copying easier and straighttforward;
 # the 'pip option --user' command  doesn't do the same thing when
 # run as root.
 #
 RUN addgroup a1user && adduser --ingroup a1user a1user

 # switch to the non-root user for installing python things
 USER a1user

 # Speed hack; we install gevent before anything because when building repeatedly (eg during dev)
 # and only changing a1 code, we do not need to keep compiling gevent which takes forever
 RUN pip install --user gevent
 RUN pip install --user requests

 COPY setup.py /home/a1user/
 COPY a1/ /home/a1user/a1
 RUN pip install --user /home/a1user


 # ----- stage 2  ---------------------------------------------------------------------------------

 # It might be tempting to use python:3.8, but that image is more than
 # 800 GiB to start, and the final image size if it is used is over
 # 1 GiB!!  Using the plain ubuntu image, then installing py3, and taking
 # things built in the first stage, the final image size isn't tiny, but should
 # be well under the 800GiB start for the python image.
 #
 FROM ubuntu:20.04

 # pick up reference to python so that we can get 3.8 and not the really old default

 RUN    apt-get update \
 	&& apt install -y software-properties-common \
 	&& add-apt-repository ppa:deadsnakes/ppa \
 	&& apt-get install -y python3.8 python3-pip wget \
 	&& apt-get clean

 # fetch and install RMR and any other needed libraries
 #
 ARG RMR_VER=4.8.0
 ARG RMR_PKG_URL=https://packagecloud.io/o-ran-sc/release/packages/debian/stretch/

 RUN wget -nv --content-disposition ${RMR_PKG_URL}/rmr_${RMR_VER}_amd64.deb/download.deb
 RUN wget -nv --content-disposition ${RMR_PKG_URL}/rmr-dev_${RMR_VER}_amd64.deb/download.deb
 RUN    dpkg -i rmr_${RMR_VER}_amd64.deb  \
 	&& dpkg -i rmr-dev_${RMR_VER}_amd64.deb \
 	&& ldconfig

 # copy python modules; this makes the 2 stage python build work
 #
 COPY --from=build /home/a1user/.local /home/a1user/.local

 # create mount point for dir with rmr routing file as named below
 #
 RUN mkdir -p /opt/route/

 # create a non-root user, ensure it can access what it needs, and switch to it
 #
 RUN    addgroup a1user \
 	&& adduser --disabled-password --disabled-login --gecos "image-user" --no-create-home --ingroup a1user a1user \
 	&& chown -R a1user:a1user /home/a1user/.local \
 	&& chown a1user:a1user /home/a1user


 # ------------------ no root commands after this point -------------------------------------
 USER a1user

 # the maddening onsey-twosey install of pything crud...
 #
 RUN pip3 install  --user connexion

 # misc
 #
 EXPOSE 10000
 ENV LD_LIBRARY_PATH /usr/local/lib/:/usr/local/lib64
 ENV RMR_SEED_RT /opt/route/local.rt

 # Set "fake" to True to run standalone
 #
 ENV USE_FAKE_SDL False
 ENV PYTHONUNBUFFERED 1

 # pip installs executable script to $HOME/.local/bin so PATH vars are critical
 #
 ENV PATH /home/a1user/.local/bin:$PATH
 ENV PYTHONPATH /home/a1user/.local/lib/python3.8/site-packages

 # prometheus client gathers data here
 #
 ENV prometheus_multiproc_dir /tmp

 # by defalt start the application
 #
 CMD [ "/usr/bin/python3.8", "/home/a1user/.local/bin/run-a1" ]
	# ==================================================================================
	# Copyright (c) 2019-2020 Nokia
	# Copyright (c) 2018-2020 AT&T Intellectual Property.
	#
	# Licensed under the Apache License, Version 2.0 (the "License");
	# you may not use this file except in compliance with the License.
	# You may obtain a copy of the License at
	#
	# http://www.apache.org/licenses/LICENSE-2.0
	#
	# Unless required by applicable law or agreed to in writing, software
	# distributed under the License is distributed on an "AS IS" BASIS,
	# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	# See the License for the specific language governing permissions and
	# limitations under the License.
	# ==================================================================================

	# This builds an image for A1 based on ubuntu. The build takes between three and four
	# minutes depending on what was previously cached, and results in an image that is
	# roughly 260 MiB in size (as of May 2021)
	#

	FROM python:3.8 as build

	# upgrade pip as root
	RUN pip install --upgrade pip

	# pick up things for gevent build
	#
	RUN apt-get update
	RUN apt-get install -y gcc musl-dev make file libffi-dev g++

	# --- all root operations must be above this line ------------------------------------


	# create a simple user. This is only really needed in stage 2,
	# however this makes the copying easier and straighttforward;
	# the 'pip option --user' command doesn't do the same thing when
	# run as root.
	#
	RUN addgroup a1user && adduser --ingroup a1user a1user

	# switch to the non-root user for installing python things
	USER a1user

	# Speed hack; we install gevent before anything because when building repeatedly (eg during dev)
	# and only changing a1 code, we do not need to keep compiling gevent which takes forever
	RUN pip install --user gevent
	RUN pip install --user requests

	COPY setup.py /home/a1user/
	COPY a1/ /home/a1user/a1
	RUN pip install --user /home/a1user



	# ----- stage 2 ---------------------------------------------------------------------------------

	# It might be tempting to use python:3.8, but that image is more than
	# 800 GiB to start, and the final image size if it is used is over
	# 1 GiB!! Using the plain ubuntu image, then installing py3, and taking
	# things built in the first stage, the final image size isn't tiny, but should
	# be well under the 800GiB start for the python image.
	#
	FROM ubuntu:20.04

	# pick up reference to python so that we can get 3.8 and not the really old default

	RUN apt-get update \
	&& apt install -y software-properties-common \
	&& add-apt-repository ppa:deadsnakes/ppa \
	&& apt-get install -y python3.8 python3-pip wget \
	&& apt-get clean

	# fetch and install RMR and any other needed libraries
	#
	ARG RMR_VER=4.8.0
	ARG RMR_PKG_URL=https://packagecloud.io/o-ran-sc/release/packages/debian/stretch/

	RUN wget -nv --content-disposition ${RMR_PKG_URL}/rmr_${RMR_VER}_amd64.deb/download.deb
	RUN wget -nv --content-disposition ${RMR_PKG_URL}/rmr-dev_${RMR_VER}_amd64.deb/download.deb
	RUN dpkg -i rmr_${RMR_VER}_amd64.deb \
	&& dpkg -i rmr-dev_${RMR_VER}_amd64.deb \
	&& ldconfig

	# copy python modules; this makes the 2 stage python build work
	#
	COPY --from=build /home/a1user/.local /home/a1user/.local

	# create mount point for dir with rmr routing file as named below
	#
	RUN mkdir -p /opt/route/

	# create a non-root user, ensure it can access what it needs, and switch to it
	#
	RUN addgroup a1user \
	&& adduser --disabled-password --disabled-login --gecos "image-user" --no-create-home --ingroup a1user a1user \
	&& chown -R a1user:a1user /home/a1user/.local \
	&& chown a1user:a1user /home/a1user


	# ------------------ no root commands after this point -------------------------------------
	USER a1user

	# the maddening onsey-twosey install of pything crud...
	#
	RUN pip3 install --user connexion

	# misc
	#
	EXPOSE 10000
	ENV LD_LIBRARY_PATH /usr/local/lib/:/usr/local/lib64
	ENV RMR_SEED_RT /opt/route/local.rt

	# Set "fake" to True to run standalone
	#
	ENV USE_FAKE_SDL False
	ENV PYTHONUNBUFFERED 1

	# pip installs executable script to $HOME/.local/bin so PATH vars are critical
	#
	ENV PATH /home/a1user/.local/bin:$PATH
	ENV PYTHONPATH /home/a1user/.local/lib/python3.8/site-packages

	# prometheus client gathers data here
	#
	ENV prometheus_multiproc_dir /tmp

	# by defalt start the application
	#
	CMD [ "/usr/bin/python3.8", "/home/a1user/.local/bin/run-a1" ]