docker(build): optimization on the number of layers

Signed-off-by: Raphael Defosseux <raphael.defosseux@eurecom.fr>

CHANGELOG.md

 # RELEASE NOTES : #
 
-## v1.3.0 -- December 2021 ##
+## v1.3.0 -- January 2021 ##
 
 * HTTP2 Support
+* Docker optimization
 
 ## v1.2.1 -- October 2021 ##
 

ci-scripts/docker/Dockerfile.ci.ubuntu.18.04

@@ -36,7 +36,8 @@ RUN cp -Rf /openair-ausf-ext-ref /openair-ausf/build/ext
 
 # Building AUSF
 WORKDIR /openair-ausf/build/scripts
-RUN ./build_ausf --clean --Verbose --build-type Release --jobs
+RUN ./build_ausf --clean --Verbose --build-type Release --jobs && \
+    mv /openair-ausf/build/ausf/build/ausf /openair-ausf/build/ausf/build/oai_ausf
 
 #---------------------------------------------------------------------
 # TARGET IMAGE
@@ -55,21 +56,25 @@ RUN apt-get update && \
       tshark \
       perl \
       libasan4 \
+      libnettle6 \
       libnghttp2-14 \
       libhogweed4 \
       libconfig++9v5 \
-      libcurl4-gnutls-dev \
   && rm -rf /var/lib/apt/lists/*
 
 # Copying executable and generated libraries
 WORKDIR /openair-ausf/bin
-COPY --from=oai-ausf-builder /openair-ausf/build/ausf/build/ausf oai_ausf
-COPY --from=oai-ausf-builder /openair-ausf/scripts/entrypoint.sh .
+COPY --from=oai-ausf-builder \
+    /openair-ausf/build/ausf/build/oai_ausf \
+    /openair-ausf/scripts/entrypoint.sh \
+    ./
 
-COPY --from=oai-ausf-builder /usr/local/lib/libpistache.so /usr/local/lib/
-COPY --from=oai-ausf-builder /usr/lib/x86_64-linux-gnu/libnettle.so.6 /usr/local/lib/
-COPY --from=oai-ausf-builder /usr/lib/libboost_system.so.1.67.0 /usr/local/lib/
-COPY --from=oai-ausf-builder /usr/local/lib/libnghttp2_asio.so.1 /usr/local/lib/
+COPY --from=oai-ausf-builder \
+    /usr/local/lib/libpistache.so \
+    /usr/lib/libboost_system.so.1.67.0 \
+    /usr/local/lib/libnghttp2_asio.so.1 \
+    /usr/lib/x86_64-linux-gnu/libcurl-gnutls.so.4 \
+    /usr/local/lib/
 
 RUN ldconfig
 

docker/Dockerfile.ausf.rhel8

@@ -64,9 +64,9 @@ COPY . /openair-ausf
 # Installing and Building AUSF
 WORKDIR /openair-ausf/build/scripts
 RUN ./build_ausf --install-deps --force
-RUN ./build_ausf --clean --Verbose --build-type Release --jobs
-
-RUN ldd /openair-ausf/build/ausf/build/ausf
+RUN ./build_ausf --clean --Verbose --build-type Release --jobs && \
+    ldd /openair-ausf/build/ausf/build/ausf && \
+    mv /openair-ausf/build/ausf/build/ausf /openair-ausf/build/ausf/build/oai_ausf
 
 #---------------------------------------------------------------------
 # TARGET IMAGE
@@ -92,20 +92,24 @@ RUN yum update -y && \
 
 # Copying executable and generated libraries
 WORKDIR /openair-ausf/bin
-COPY --from=oai-ausf-builder /openair-ausf/build/ausf/build/ausf oai_ausf
-COPY --from=oai-ausf-builder /openair-ausf/scripts/entrypoint.sh .
+COPY --from=oai-ausf-builder \
+    /openair-ausf/build/ausf/build/oai_ausf \
+    /openair-ausf/scripts/entrypoint.sh \
+    ./
 
 WORKDIR /usr/local/lib64
-COPY --from=oai-ausf-builder /usr/local/lib64/libpistache.so.0 .
-COPY --from=oai-ausf-builder /lib64/libboost_system.so.1.66.0 .
-COPY --from=oai-ausf-builder /lib64/libboost_thread.so.1.66.0 .
-COPY --from=oai-ausf-builder /lib64/libboost_date_time.so.1.66.0 .
-COPY --from=oai-ausf-builder /lib64/libconfig++.so.9 .
-COPY --from=oai-ausf-builder /lib64/libnghttp2.so.14 .
-COPY --from=oai-ausf-builder /usr/local/lib/libnghttp2_asio.so.1 /usr/lib64/
-
-RUN ldconfig -v
-RUN ldd /openair-ausf/bin/oai_ausf
+COPY --from=oai-ausf-builder \
+    /usr/local/lib64/libpistache.so.0 \
+    /lib64/libboost_system.so.1.66.0 \
+    /lib64/libboost_thread.so.1.66.0 \
+    /lib64/libboost_date_time.so.1.66.0 \
+    /lib64/libconfig++.so.9 \
+    /lib64/libnghttp2.so.14 \
+    /usr/local/lib/libnghttp2_asio.so.1 \
+    ./
+
+RUN ldconfig -v && \
+    ldd /openair-ausf/bin/oai_ausf
 
 WORKDIR /openair-ausf/etc
 COPY --from=oai-ausf-builder /openair-ausf/etc/ausf.conf .

docker/Dockerfile.ausf.ubuntu18

@@ -34,10 +34,12 @@ ARG NEEDED_GIT_PROXY
 
 ENV DEBIAN_FRONTEND=noninteractive
 
-RUN apt-get update && DEBIAN_FRONTEND=noninteractive apt-get upgrade --yes && DEBIAN_FRONTEND=noninteractive apt-get install --yes \
-    psmisc \
-    software-properties-common \
-    git \
+RUN apt-get update && \
+    DEBIAN_FRONTEND=noninteractive apt-get upgrade --yes && \
+    DEBIAN_FRONTEND=noninteractive apt-get install --yes \
+      psmisc \
+      software-properties-common \
+      git \
   && rm -rf /var/lib/apt/lists/*
 
 # Some GIT configuration command quite useful
@@ -52,7 +54,8 @@ COPY . /openair-ausf
 # Installing and Building AUSF
 WORKDIR /openair-ausf/build/scripts
 RUN ./build_ausf --install-deps --force
-RUN ./build_ausf --clean --Verbose --build-type Release --jobs
+RUN ./build_ausf --clean --Verbose --build-type Release --jobs && \
+    mv /openair-ausf/build/ausf/build/ausf /openair-ausf/build/ausf/build/oai_ausf
 
 #---------------------------------------------------------------------
 # TARGET IMAGE
@@ -75,17 +78,21 @@ RUN apt-get update && \
       libnghttp2-14 \
       libhogweed4 \
       libconfig++9v5 \
-      libcurl4-gnutls-dev \
   && rm -rf /var/lib/apt/lists/*
 
 # Copying executable and generated libraries
 WORKDIR /openair-ausf/bin
-COPY --from=oai-ausf-builder /openair-ausf/build/ausf/build/ausf oai_ausf
-COPY --from=oai-ausf-builder /openair-ausf/scripts/entrypoint.sh .
+COPY --from=oai-ausf-builder \
+    /openair-ausf/build/ausf/build/oai_ausf \
+    /openair-ausf/scripts/entrypoint.sh \
+    ./
 
-COPY --from=oai-ausf-builder /usr/local/lib/libpistache.so /usr/local/lib/
-COPY --from=oai-ausf-builder /usr/lib/libboost_system.so.1.67.0 /usr/local/lib/
-COPY --from=oai-ausf-builder /usr/local/lib/libnghttp2_asio.so.1 /usr/local/lib/
+COPY --from=oai-ausf-builder \
+    /usr/local/lib/libpistache.so \
+    /usr/lib/libboost_system.so.1.67.0 \
+    /usr/local/lib/libnghttp2_asio.so.1 \
+    /usr/lib/x86_64-linux-gnu/libcurl-gnutls.so.4 \
+    /usr/local/lib/
 
 RUN ldconfig