feat: Fix comments in dockerfile (#385)

Author: astuyve

Dockerfile

@@ -14,10 +14,12 @@ RUN pip install . -t ./python/lib/$runtime/site-packages
 # Remove *.pyc files
 RUN find ./python/lib/$runtime/site-packages -name \*.pyc -delete
 
-# Remove botocore (40MB) to reduce package size. aws-xray-sdk
-# installs it, while it's already provided by the Lambda Runtime.
+# Strip symbols from ddtrace's binaries.
+# TODO (AJ): remove when ddtrace fixes this upstream
 RUN find . -name '*.so' -exec strip -g {} \;
 
+# Remove botocore (40MB) to reduce package size. aws-xray-sdk
+# installs it, while it's already provided by the Lambda Runtime.
 RUN rm -rf ./python/lib/$runtime/site-packages/botocore*
 RUN rm -rf ./python/lib/$runtime/site-packages/setuptools
 RUN rm -rf ./python/lib/$runtime/site-packages/jsonschema/tests