diff --git a/Dockerfile.dropshell-build b/Dockerfile.dropshell-build
index c576ad0..3d85a0c 100644
--- a/Dockerfile.dropshell-build
+++ b/Dockerfile.dropshell-build
@@ -16,13 +16,16 @@ RUN apk add --no-cache \
     linux-headers \
     mold \
     zlib-static \
-    ccache
+    ccache \
+    libunwind-dev \
+    libdwarf-dev
 
 # Set working directory
 WORKDIR /build
 
-# Copy source files
-COPY . .
+COPY CMakeLists.txt cmake_prebuild.sh ./ 
+#COPY cmake ./cmake
+COPY src/version.hpp.in ./src/version.hpp.in
 
 # Configure and build with ccache
 RUN mkdir -p build_static && \
@@ -37,6 +40,13 @@ RUN mkdir -p build_static && \
     -DPROJECT_NAME="${PROJECT}" \
     ${CMAKE_TOOLCHAIN_FILE:+-DCMAKE_TOOLCHAIN_FILE=$CMAKE_TOOLCHAIN_FILE}
 
+
+# Explicitly build dependencies first (cached separately)
+RUN cmake --build build_static --target run_prebuild_script
+
+# Copy source files
+COPY src ./build_static/src
+
 RUN cmake --build build_static
 
 # Final stage that only contains the binary
diff --git a/build.sh b/build.sh
index e72c0a1..9a08616 100755
--- a/build.sh
+++ b/build.sh
@@ -5,9 +5,28 @@ set -euo pipefail
 SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )"
 PROJECT="ipdemo" # Define your project name here
 
+function update_sources() {
+    CMAKE_FILE="${SCRIPT_DIR}/${PROJECT}/CMakeLists.txt"
+
+    # Generate the list of source files with relative paths
+    SOURCE_FILES=$(cd "${SCRIPT_DIR}/${PROJECT}" && find "src" -name '*.cpp' | sort | sed 's/^/    /')
+
+    # Use awk to replace the SOURCES block in CMakeLists.txt
+    awk -v sources="$SOURCE_FILES" '
+        BEGIN {in_sources=0}
+        /^set\(SOURCES/ {print; print sources; in_sources=1; next}
+        in_sources && /^\)/ {in_sources=0; print; next}
+        !in_sources {print}
+    ' "$CMAKE_FILE" > "${CMAKE_FILE}.tmp" && mv "${CMAKE_FILE}.tmp" "$CMAKE_FILE"
+
+    echo "Updated SOURCES in ${CMAKE_FILE}"
+}
+
+update_sources
+
 mkdir -p "${SCRIPT_DIR}/output"
 
-export CMAKE_BUILD_TYPE="Release"
+export CMAKE_BUILD_TYPE="Debug"
 
 rm -rf "${SCRIPT_DIR}/output" 
 mkdir -p "${SCRIPT_DIR}/output"
diff --git a/ipdemo/CMakeLists.txt b/ipdemo/CMakeLists.txt
index 93b3891..00210c2 100644
--- a/ipdemo/CMakeLists.txt
+++ b/ipdemo/CMakeLists.txt
@@ -45,11 +45,6 @@ configure_file(
 # Set CMAKE_MODULE_PATH to include our custom find modules
 set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${CMAKE_CURRENT_SOURCE_DIR}/cmake)
 
-# Auto-detect source files
-file(GLOB_RECURSE SOURCES "src/*.cpp")
-file(GLOB_RECURSE HEADERS "src/*.hpp")
-file(GLOB_RECURSE HEADERS "src/*.h")
-
 # Add custom target to run cmake_prebuild.sh at the start of the build process
 add_custom_target(run_prebuild_script ALL
     COMMAND ${CMAKE_COMMAND} -E echo "Running cmake_prebuild.sh..."
@@ -57,6 +52,13 @@ add_custom_target(run_prebuild_script ALL
     WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
 )
 
+set(SOURCES
+    src/main.cpp
+)
+
+# Mark sources as GENERATED to defer existence check until build time
+set_source_files_properties(${SOURCES} PROPERTIES GENERATED TRUE)
+
 # Add executable
 add_executable(${PROJECT_EXE_NAME} ${SOURCES})
 add_dependencies(${PROJECT_EXE_NAME} run_prebuild_script)
diff --git a/ipdemo/src/main.cpp b/ipdemo/src/main.cpp
index ca79d63..c4d2a40 100644
--- a/ipdemo/src/main.cpp
+++ b/ipdemo/src/main.cpp
@@ -6,6 +6,10 @@
 #include "httplib.hpp"
 #include "version.hpp"
 
+void crashy() {
+    ASSERT(false,"SUCCESS!");
+}
+
 int main() {
     std::cout << "ipdemo version: " << ipdemo::VERSION << std::endl;
     std::cout << std::endl;
@@ -23,6 +27,8 @@ int main() {
     std::cout << j.dump(4) << std::endl;
 
     std::cout << "Done" << std::endl;
-    
+
+    crashy();
+
     return 0;
 }