Statically link boost into dragonfly

CMakeLists.txt

@@ -15,6 +15,7 @@ set(CMAKE_CXX_STANDARD 17)
 set(CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/helio/cmake" ${CMAKE_MODULE_PATH})
 option(BUILD_SHARED_LIBS "Build shared libraries" OFF)
 
+set(Boost_USE_STATIC_LIBS ON)
 include(third_party)
 include(internal)
 

tools/docker/Dockerfile.ubuntu-prod

@@ -20,7 +20,7 @@ LABEL org.opencontainers.image.source https://github.com/romange/dragonfly
 ENV DEBIAN_FRONTEND=noninteractive
 
 RUN groupadd -r -g 999 dfly && useradd -r -g dfly -u 999 dfly
-RUN apt update && apt install -y libunwind8 libboost-fiber1.71.0 libssl1.1 && \
+RUN apt update && apt install -y libunwind8 libssl1.1 && \
     rm -rf /var/lib/apt/lists/*
 
 RUN mkdir /data && chown dfly:dfly /data