Bash script to deploy static/js website

deploy.sh

#!/bin/bash

YELLOW='\033[0;33m'
YELLOW_BOLD='\033[1;33m'
BLUE='\033[0;34m'
BLUE_BOLD='\033[1;34m'
NC='\033[0m' # No Color

USER="thatuser"
IP="999.999.999.999"
PORT="22"
TIMESTAMP=$(date +"%Y%m%d%H%M%S")
DEPLOYMENT_PKG="deploy-$TIMESTAMP.tar.gz"
REMOTE_DIR="/var/websites/mywebsite123.com"
DIST_DIR="dist"
KEEP=5

echo "$YELLOW_BOLD - Running local scripts $NC"

echo "$YELLOW  ├─ Cleaning dist directory $NC"
gulp clean > /dev/null

echo "$YELLOW  ├─ Generating the deployment files $NC"
gulp --production > /dev/null

echo "$YELLOW  ├─ Packaging files: $DEPLOYMENT_PKG $NC"
tar -zcf $DEPLOYMENT_PKG -C $DIST_DIR . > /dev/null

echo "$YELLOW  ├─ Uploading package to: /tmp/$DEPLOYMENT_PKG $NC"
scp -P $PORT $DEPLOYMENT_PKG $USER@$IP:/tmp/$DEPLOYMENT_PKG > /dev/null

echo "$YELLOW  └- Removing local $DEPLOYMENT_PKG $NC"
rm $DEPLOYMENT_PKG > /dev/null

echo ""

ssh -T -p $PORT $USER@$IP <<EOF

  echo -e "$BLUE_BOLD - Running script on server $NC"

  echo -e "$BLUE  ├─ Creating release directory: $REMOTE_DIR/releases/$TIMESTAMP $NC"
  mkdir -p $REMOTE_DIR/releases/$TIMESTAMP

  echo -e "$BLUE  ├─ Extracting: /tmp/$DEPLOYMENT_PKG to $REMOTE_DIR/releases/$TIMESTAMP $NC"
  tar -zxf /tmp/$DEPLOYMENT_PKG -C $REMOTE_DIR/releases/$TIMESTAMP

  echo -e "$BLUE  ├─ Updating symlink to new release $NC"
  ln -sfn $REMOTE_DIR/releases/$TIMESTAMP $REMOTE_DIR/current

  echo -e "$BLUE  ├─ Removing /tmp/$DEPLOYMENT_PKG $NC"
  rm /tmp/$DEPLOYMENT_PKG

  echo -e "$BLUE  ├─ Removing old directories $NC"
  
  CNTR=0;
  for i in \$(find $REMOTE_DIR/releases -maxdepth 1 -type d | sort -Vr); do
    ((CNTR+=1));
    if [[ "\$i" != "$REMOTE_DIR/releases" ]] && [ "\$CNTR" -gt "$KEEP" ]; then
      rm -rf \$i;
    fi
  done

  echo -e "$BLUE  └- Setting file permissions $NC"
  find $REMOTE_DIR/releases/$TIMESTAMP -type d -exec chmod 755 {} +
  find $REMOTE_DIR/releases/$TIMESTAMP -type f -exec chmod 644 {} +
EOF

exit