build: package production configs and use system protoc

scripts/build-all-linux.sh

@@ -5,8 +5,9 @@ set -Eeuo pipefail
 readonly SCRIPT_DIR="$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" && pwd)"
 readonly WORKSPACE_ROOT="$(cd -- "${SCRIPT_DIR}/.." && pwd)"
 readonly MODULE_ROOT="${WORKSPACE_ROOT}/module"
-readonly BUILD_ROOT="${WORKSPACE_ROOT}/builds"
+readonly BUILD_ROOT="${WORKSPACE_ROOT}/.builds"
 readonly ENTRY_ROOT="${BUILD_ROOT}/.entries"
+readonly CONFIG_ROOT="${BUILD_ROOT}/etc"
 
 if ! command -v go >/dev/null 2>&1; then
   echo "error: Go is not installed or is not available in PATH" >&2
@@ -87,4 +88,18 @@ for module_dir in "${modules[@]}"; do
   )
 done
 
+# Copy production configuration only after every service has compiled successfully.
+mkdir -p "${CONFIG_ROOT}"
+config_count=0
+
+for module_dir in "${modules[@]}"; do
+  module_name="$(basename -- "${module_dir}")"
+  config_name="${module_name}_prod.yaml"
+  config_file="${module_dir}/etc/${config_name}"
+  [[ -f "${config_file}" ]] || continue
+  cp -- "${config_file}" "${CONFIG_ROOT}/${config_name}"
+  ((config_count += 1))
+done
+
+echo "Copied ${config_count} production configs to ${CONFIG_ROOT}"
 echo "Build completed successfully: ${BUILD_ROOT}"