X-Git-Url: https://gerrit.o-ran-sc.org/r/gitweb?a=blobdiff_plain;f=Dockerfile;h=bd18fe7ddd22bcd41cad34f55fd09150104e3da1;hb=refs%2Fchanges%2F54%2F3454%2F7;hp=be8d8da50c4f39a868c046e281dd807d0c1b063f;hpb=0d664f2d3a2449948c2477798671464a538a06b7;p=ric-plt%2Fa1.git

diff --git a/Dockerfile b/Dockerfile
index be8d8da..bd18fe7 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.
@@ -15,38 +15,42 @@
 #   limitations under the License.
 # ==================================================================================
 
-# CI to build a Docker image with the A1 mediator
-# Adds gcc and cmake to build RMr library
-
-FROM python:3.7
-
-ADD . /tmp
-
-# Install RMr
-RUN apt-get update && apt-get install -y gcc git cmake
-RUN git clone https://gerrit.oran-osc.org/r/ric-plt/lib/rmr
-WORKDIR rmr
-# This pins RMr to a known working version
-RUN git checkout 68d09fa5028e47e763c44c30647da31e77eda64a
-RUN mkdir .build; cd .build; cmake ..; make install
-
-# Install python-rmr
-RUN pip install --upgrade pip
-
-#install a1
-WORKDIR /tmp
-
-# Run our unit tests
-RUN pip install tox
-RUN tox
-
-# do the actual install
-RUN pip install .
-EXPOSE 10000
-
-# rmr setups
+# 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
+# Gevent needs gcc, make, file, ffi
+RUN apk update && apk add gcc musl-dev make file libffi-dev
+
+# Switch to a non-root user for security reasons
+# This is only really needed in stage 2 however this makes the copying easier and straitforward! --user doesn't do the same thing if run as root!
+RUN addgroup -S a1user && adduser -S -G a1user a1user
+USER a1user
+
+# Speed hack; we install gevent FIRST 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 --upgrade pip && 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
+# dir that rmr routing file temp goes into
 RUN mkdir -p /opt/route/
-ENV LD_LIBRARY_PATH /usr/local/lib
+# python copy; this basically makes the 2 stage python build work
+COPY --from=compile-image /home/a1user/.local /home/a1user/.local
+# copy rmr .so from builder image in lieu of an Alpine package
+COPY --from=nexus3.o-ran-sc.org:10002/o-ran-sc/bldr-alpine3-rmr:3.8.0 /usr/local/lib64/librmr_si.so /usr/local/lib64/librmr_si.so
+# 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.
+RUN addgroup -S a1user && adduser -S -G a1user a1user
+USER a1user
+# misc setups
+EXPOSE 10000
+ENV LD_LIBRARY_PATH /usr/local/lib/:/usr/local/lib64
 ENV RMR_SEED_RT /opt/route/local.rt
+ENV PYTHONUNBUFFERED 1
+# This step is critical
+ENV PATH=/home/a1user/.local/bin:$PATH
 
+# Run!
 CMD run.py