[202012][saiserver docker]adds saiserver dependences (#8447)

Co-authored-by: richardyu-ms <richard.yu@microsoft.com>

platform/broadcom/docker-saiserver-brcm/Dockerfile.j2

@@ -1,3 +1,4 @@
+{% from "dockers/dockerfile-macros.j2" import install_debian_packages %}
 FROM docker-config-engine-buster
 
 ARG docker_container_name
@@ -6,7 +7,11 @@ RUN [ -f /etc/rsyslog.conf ] && sed -ri "s/%syslogtag%/$docker_container_name#%s
 ## Make apt-get non-interactive
 ENV DEBIAN_FRONTEND=noninteractive
 
-RUN apt-get update
+## Pre-install the fundamental packages
+RUN apt-get update \
+ && apt-get -y install  \
+    gdb                 \
+    libboost-atomic1.71.0
 
 COPY \
 {% for deb in docker_saiserver_brcm_debs.split(' ') -%}
@@ -14,10 +19,8 @@ debs/{{ deb }}{{' '}}
 {%- endfor -%}
 debs/
 
-RUN dpkg_apt() { [ -f $1 ] && { dpkg -i $1 || apt-get -y install -f; } || return 1; } ; \
-{% for deb in docker_saiserver_brcm_debs.split(' ') -%}
-dpkg_apt debs/{{ deb }}{{'; '}}
-{%- endfor %}
+# Install locally-built Debian packages and implicitly install their dependencies
+{{ install_debian_packages(docker_saiserver_brcm_debs.split(' ')) }}
 
 ## TODO: add kmod into Depends
 RUN apt-get install -yf kmod

platform/broadcom/docker-saiserver-brcm/supervisord.conf

@@ -20,7 +20,7 @@ stdout_logfile=syslog
 stderr_logfile=syslog
 
 [program:saiserver]
-command=/usr/bin/saiserver -p /etc/sai/profile.ini -f /etc/sai/portmap.ini
+command=/usr/sbin/saiserver -p /etc/sai/profile.ini -f /etc/sai/portmap.ini
 priority=3
 autostart=false
 autorestart=false