Add libjpeg.so binaries to the deploy package

Author: pinkeen

.gitignore

@@ -117,9 +117,12 @@ $RECYCLE.BIN/
 # Windows shortcuts
 *.lnk
 
-
 # End of https://www.gitignore.io/api/osx,node,windows,visualstudiocode
 
-# Package that is deployed to AWS Lambda
-deploy-package.zip
 coverage
+
+# Package that is deployed to AWS Lambda
+*-deploy-package*.zip
+
+# This should go only into the deploy package, not repo
+lib/*.so

.lambda-build-hook/post-build.sh

@@ -0,0 +1,11 @@
+#!/usr/bin/env bash
+
+# ------------------- BINARY SYSTEM LIBRARIES ------------------
+# Copy libjpeg which is missing in edge lambda runtime even
+# though it should be present in base Amazon Linux 2 filesystem.
+#
+# The library libjpeg-turbo is required for cwebp-bin package
+# and I found no way to provide it purely through npm /FS
+yum -y install libjpeg-turbo
+mkdir -pv "${LAMBDA_SHARED_LIB_DIR}"
+cp -v /usr/lib64/libjpeg.so.* "${LAMBDA_SHARED_LIB_DIR}"