X-Git-Url: https://gerrit.o-ran-sc.org/r/gitweb?a=blobdiff_plain;f=Dockerfile;h=a3afffe1f39674eb80559e01306418169b771b2b;hb=ecb900c8fcd0cd96c3837a046dccde473d01a9ba;hp=0b49ac7f7d94dbb6b6754a274e3ed1ec79ed57ea;hpb=9407e119792b573a83369608a5187bf957aaf7c0;p=ric-plt%2Fa1.git

diff --git a/Dockerfile b/Dockerfile
index 0b49ac7..a3afffe 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,6 @@
 # ==================================================================================
-#       Copyright (c) 2019 Nokia
-#       Copyright (c) 2018-2019 AT&T Intellectual Property.
+#       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.
@@ -14,41 +14,53 @@
 #   See the License for the specific language governing permissions and
 #   limitations under the License.
 # ==================================================================================
-# TODO: switch to alpine once rmr apk available
-FROM python:3.7
 
-COPY . /tmp
-WORKDIR /tmp
+# 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
 
-# copy NNG out of the  CI builder nng
-COPY --from=nexus3.o-ran-sc.org:10004/bldr-debian-python-nng:2-py3.7-nng1.1.1 /usr/local/lib/libnng.so /usr/local/lib/libnng.so
+###########
+# 2nd stage
+FROM python:3.8-alpine
 
-# Installs RMr using debian package hosted at packagecloud.io
-RUN wget --content-disposition https://packagecloud.io/o-ran-sc/master/packages/debian/stretch/rmr_1.0.36_amd64.deb/download.deb
-RUN dpkg -i rmr_1.0.36_amd64.deb
+# 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/
 
-# dir that rmr routing file temp goes into
+# 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/
-
-# Install RMr python bindings
-# this writes into /usr/local, need root
-RUN pip install --upgrade pip && pip install rmr==0.10.1 tox
-
-# Run the unit tests
-RUN tox
-
-# do the actual install
-RUN pip install .
-
-# Switch to a non-root user for security reasons.
-# a1 does not currently write into any dirs so no chowns are needed at this time.
-# https://stackoverflow.com/questions/27701930/add-user-to-docker-container
-RUN adduser --disabled-password --gecos '' a1user
+# 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
+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
 
-CMD run.py
+# Run!
+CMD run-a1