diff --git a/scripts/build-rust-native-library.sh b/scripts/build-rust-native-library.sh
index 22fb75f86..276f380e0 100755
--- a/scripts/build-rust-native-library.sh
+++ b/scripts/build-rust-native-library.sh
@@ -1,37 +1,37 @@
 #!/usr/bin/env bash
 
 set -euxo pipefail
 
 COMM_NIX_PATH="$HOME/.cache/comm/path"
 PRJ_ROOT="$(git rev-parse --show-toplevel)"
 
 # If in nix environment, re-expose nix PATH
 if [[ -f "$COMM_NIX_PATH" ]]; then
   # shellcheck source=/dev/null
   source "$COMM_NIX_PATH"
 fi
 
 # The $PATH used by Xcode likely won't contain Cargo, fix that.
 # In addition, the $PATH used by XCode has lots of Apple-specific
 # developer tools that your Cargo isn't expecting to use, fix that.
 # Note: This assumes a default `rustup` setup and default path.
 build_path="$HOME/.cargo/bin:/usr/local/bin:/usr/bin:/bin${PATH:+:}$PATH"
 
 # cd to Cargo project
 cd "${SRCROOT}/../native_rust_library" || exit
 
 # Ensure rust tooling is available
 env PATH="${build_path}" "$PRJ_ROOT/scripts/ensure_rustup_setup.sh"
 
 # Set C++ standard and build cxx bridge
 export CXXFLAGS="-std=c++14"
-env PATH="${build_path}" cargo build
+env PATH="${build_path}" cargo build --release
 # Build universal static library (works on simulator and iOS)
 env PATH="${build_path}" cargo lipo --release
 # Unset the flag specifying C++ standard
 unset CXXFLAGS
 # Copy the CXX files to the cargo project root to make them
 # available to XCode
 cp "$(readlink target/cxxbridge/native_rust_library/src/lib.rs.cc)" .
 cp "$(readlink target/cxxbridge/native_rust_library/src/lib.rs.h)" .
 cp "$(readlink target/cxxbridge/rust/cxx.h)" .
diff --git a/services/tunnelbroker/Dockerfile b/services/tunnelbroker/Dockerfile
index 58ba0f21d..9e3bdc73d 100644
--- a/services/tunnelbroker/Dockerfile
+++ b/services/tunnelbroker/Dockerfile
@@ -1,48 +1,48 @@
 FROM commapp/services-base:1.3.2
 
 ENV PATH=/root/.cargo/bin:$PATH
 
 ARG COMM_TEST_SERVICES
 ARG COMM_SERVICES_SANDBOX
 
 ENV COMM_TEST_SERVICES=${COMM_TEST_SERVICES}
 ENV COMM_SERVICES_SANDBOX=${COMM_SERVICES_SANDBOX}
 
 # Install Curl
 RUN apt-get update && DEBIAN_FRONTEND=noninteractive apt-get install -y curl
 
 # Install Rust
 RUN curl https://sh.rustup.rs -sSf | sh -s -- -y
 
 # Copying of the installation scripts
 WORKDIR /transferred/services/tunnelbroker/docker
 COPY services/tunnelbroker/docker .
 
 # Install SDKs
 RUN ./install_amqp_cpp.sh
 RUN ./install_libuv.sh
 
 # Copying of the shared code
 WORKDIR /transferred
 COPY services/lib/src/ services/lib/src/
 COPY shared/ shared/
 
 # Copying of the Tunnelbroker code
 WORKDIR /transferred/services/tunnelbroker
 COPY services/tunnelbroker/ .
 
 # Build C++ library gTests by CMake
 WORKDIR /transferred/services/tunnelbroker/src/libcpp/test
 RUN cmake -B build . && make -C build -j$(nproc)
 
 # Build Rust by Cargo
 WORKDIR /transferred/services/tunnelbroker
-RUN cargo build
+RUN cargo build --release
 
 CMD if [ "$COMM_TEST_SERVICES" -eq 1 ];\
   then\
     src/libcpp/test/build/bin/runTests --gtest_filter='-AmqpManager*:DatabaseManager*'\
     && cargo test;\
   else\
     cargo run;\
   fi