node and react git post-receive hook deployment

how to post-receive.md

server

1. make a project/ directory and project.git/ directory
2. cd project.git && git init --bare
3. cd project.git/hooks && touch post-receive
4. copy paste post-receive script
5. make executable chmod +x post-receive

local

git remote add production [email protected]:/var/www/project.git

git push production

post-receive.sh

#!/bin/bash
TRAGET="/var/www/project"
SERVER="/var/www/project/server"
CLIENT="/var/www/project/reactcode"
GIT_DIR="/var/repos/project.git"
BRANCH="master"

while read oldrev newrev ref
do
        # only checking out the master (or whatever branch you would like to deploy)
        if [[ $ref = refs/heads/$BRANCH ]];
        then
                echo "Ref $ref received. Deploying ${BRANCH} branch to production..."
                git --work-tree=$TRAGET --git-dir=$GIT_DIR checkout -f
                echo "installing react modules"
                cd $CLIENT
                npm install
                echo "building client"
                npm run build
                cd $SERVER
                echo "installing server modules"
                npm install
                echo "Running knex migration"
                npx knex migrate:latest
                echo "restarting PM2"
                pm2 restart server

        else
                echo "Ref $ref received. Doing nothing: only the ${BRANCH} branch may be deployed on this server."
        fi
done