Build as static

docker/Dockerfile.j2

@@ -71,6 +71,7 @@ RUN rustup set profile minimal
 
 {% if "alpine" in target_file %}
 ENV USER "root"
+ENV RUSTFLAGS='-C link-arg=-s'
 
 {% elif "aarch64" in target_file or "armv" in target_file %}
 # Install required build libs for {{ package_arch_name }} architecture.