| # ================================================================================== |
| # 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 container uses a 2 stage build! |
| # Tips and tricks were learned from: https://pythonspeed.com/articles/multi-stage-docker-python/ |
| FROM python:3.8-alpine AS compile-image |
| # upgrade pip as root |
| RUN pip install --upgrade pip |
| # Gevent needs gcc, make, file, ffi |
| RUN apk update && apk add gcc musl-dev make file libffi-dev |
| # create a non-root user. Only really needed in stage 2, |
| # however this makes the copying easier and straighttforward; |
| # pip option --user doesn't do the same thing if run as root |
| RUN addgroup -S a1user && adduser -S -G a1user a1user |
| # switch to the non-root user for installing site packages |
| USER a1user |
| # Speed hack; we install gevent before a1 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 |
| COPY setup.py /home/a1user/ |
| COPY a1/ /home/a1user/a1 |
| RUN pip install --user /home/a1user |
| |
| ########### |
| # 2nd stage |
| FROM python:3.8-alpine |
| |
| # copy rmr libraries from builder image in lieu of an Alpine package |
| COPY --from=nexus3.o-ran-sc.org:10002/o-ran-sc/bldr-alpine3-rmr:4.0.5 /usr/local/lib64/librmr* /usr/local/lib64/ |
| |
| # copy python modules; this makes the 2 stage python build work |
| COPY --from=compile-image /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 |
| RUN addgroup -S a1user && adduser -S -G a1user a1user |
| # ensure the non-root user can read python files |
| RUN chown -R a1user:a1user /home/a1user/.local |
| # switch to the non-root user for security reasons |
| USER a1user |
| # misc setups |
| EXPOSE 10000 |
| ENV LD_LIBRARY_PATH /usr/local/lib/:/usr/local/lib64 |
| ENV RMR_SEED_RT /opt/route/local.rt |
| # Set to True to run standalone |
| ENV USE_FAKE_SDL False |
| ENV PYTHONUNBUFFERED 1 |
| # pip installs console script to ~/.local/bin so PATH is critical |
| ENV PATH=/home/a1user/.local/bin:$PATH |
| |
| # Run! |
| CMD run-a1 |