chore: add memory tracing to the build

.gitignore

@@ -58,3 +58,5 @@ read*lock
 # Nx cache
 .nx/
 
+.traces
+*.tmp

build.sh

@@ -47,6 +47,10 @@ done
 
 export NODE_OPTIONS="--max-old-space-size=8196 --experimental-worker ${NODE_OPTIONS:-}"
 
+if $ci; then
+  export CI=true
+fi
+
 # Temporary log memory for long builds (this may mess with tests that check stderr)
 # export NODE_OPTIONS="-r $PWD/scripts/log-memory.js ${NODE_OPTIONS:-}"
 
@@ -116,6 +120,10 @@ echo "==========================================================================
 echo "building..."
 time npx lerna run $bail --concurrency=$concurrency $runtarget $flags || fail
 
+echo "=============[ MEMORY AND TIMING TRACES ]===================================================="
+cat .traces/*
+echo "============================================================================================="
+
 if [ "$check_compat" == "true" ]; then
   /bin/bash scripts/check-api-compatibility.sh
 fi

packages/@aws-cdk/custom-resource-handlers/.gitignore

@@ -32,4 +32,3 @@ scripts/*.d.ts
 
 !lib/aws-certificatemanager/dns-validated-certificate-handler/index.js
 !test/aws-certificatemanager/dns-validated-certificate-handler.test.js
-!lib/aws-cloudfront/edge-function/index.js