Generate Prisma layer for Lambda functions in AWS. Tested on Linux and MacOS with Postgres as target.

generate-prisma-stack.sh

# 1 - generate node_modules layer,
# 2 - reference layer in CDK code,
# 3 - profit.

#!/bin/sh

set -e

LAMBDA_FOLDER=nodejs
PRISMA_CLI_BINARY_TARGETS=rhel-openssl-1.0.x
PRISMA_CLI_QUERY_ENGINE_TYPE=binary
PRISMA_CLIENT_ENGINE_TYPE=binary

rm -r dist || true
mkdir -p dist

npm install \
    --arch=x64 \
    --platform=linux \
    --target=16.15 \
    --libc=glibc \
    --prefix=$LAMBDA_FOLDER \
    --ignore-scripts=false \
    --verbose \
    prisma @prisma/client pg

cp -r ../../node_modules/.prisma $LAMBDA_FOLDER/node_modules

# We need to delete redudaunt files to reduce the size of the layer
find $LAMBDA_FOLDER/node_modules -maxdepth 5 -name "*engine*darwin*" -delete

zip -q -r dist/prisma-layer.zip $LAMBDA_FOLDER

rm -rf $LAMBDA_FOLDER