Zero-Downtime Deployment with Laravel Forge

DOMAIN=example.comPROJECT_REPO="your_github_repo_name"AMOUNT_KEEP_RELEASES=5RELEASE_NAME=$(date +%s--%Y_%m_%d--%H_%M_%S)RELEASES_DIRECTORY=~/$DOMAIN/releasesDEPLOYMENT_DIRECTORY=$RELEASES_DIRECTORY/$RELEASE_NAME

cd /home/forge/$DOMAINmkdir -p "$RELEASES_DIRECTORY" && cd "$RELEASES_DIRECTORY"git clone "$PROJECT_REPO" "$RELEASE_NAME"cd "$RELEASE_NAME"git checkout "$FORGE_SITE_BRANCH"git fetch origin "$FORGE_SITE_BRANCH"git reset --hard FETCH_HEAD

printf '
 Copy ./.env file
'ENV_FILE=~/"$DOMAIN"/.envif [ -f "$ENV_FILE" ]; then  cp $ENV_FILE ./.envelse  printf '
Error: .env file is missing at %s.' "$ENV_FILE" && exit 1fi

$FORGE_COMPOSER install --no-dev --no-interaction --prefer-dist --optimize-autoloader( flock -w 10 9 || exit 1    echo 'Restarting FPM...'; sudo -S service $FORGE_PHP_FPM reload ) 9>/tmp/fpmlockif [ -f artisan ]; then    $FORGE_PHP artisan migrate --forcefi

printf '
 Installing NPM dependencies based on \"./package-lock.json\"
'npm installprintf '
 Generating JS App files
'npm run build

printf '
 !!! Link Deployment Directory !!!
'echo "$RELEASE_NAME" >> $RELEASES_DIRECTORY/.successesif [ -d ~/$DOMAIN/current ] && [ ! -L ~/$DOMAIN/current ]; then  rm -rf ~/$DOMAIN/currentfiln -s -n -f -T "$DEPLOYMENT_DIRECTORY/public" ~/$DOMAIN/current

printf '
 Delete failed releases:
'# Code for deleting failed releasesprintf '
 Delete old successful releases:
'# Code for deleting old successful releasesprintf '
 Status - stored releases:
'# Code for displaying stored releasesprintf '
 Deployment DONE: %s
' "$DEPLOYMENT_DIRECTORY"

# SETUP #DOMAIN=yourdomain.comPROJECT_REPO="[email protected]:your-team/repo.git"AMOUNT_KEEP_RELEASES=5RELEASE_NAME=$(date +%s--%Y_%m_%d--%H_%M_%S)RELEASES_DIRECTORY=~/$DOMAIN/releasesDEPLOYMENT_DIRECTORY=$RELEASES_DIRECTORY/$RELEASE_NAME# stop script on error signal (-e) and undefined variables (-u)set -euprintf '
 Starting deployment %s
' "$RELEASE_NAME"cd /home/forge/$DOMAINmkdir -p "$RELEASES_DIRECTORY" && cd "$RELEASES_DIRECTORY"printf '
 Clone GIT project from %s and checkout branch %s
' "$PROJECT_REPO" "$FORGE_SITE_BRANCH"git clone "$PROJECT_REPO" "$RELEASE_NAME"cd "$RELEASE_NAME"git checkout "$FORGE_SITE_BRANCH"git fetch origin "$FORGE_SITE_BRANCH"git reset --hard FETCH_HEADprintf '
 Copy ./.env file
'ENV_FILE=~/"$DOMAIN"/.envif [ -f "$ENV_FILE" ]; then  cp $ENV_FILE ./.envelse  printf '
Error: .env file is missing at %s.' "$ENV_FILE" && exit 1fi$FORGE_COMPOSER install --no-dev --no-interaction --prefer-dist --optimize-autoloader( flock -w 10 9 || exit 1    echo 'Restarting FPM...'; sudo -S service $FORGE_PHP_FPM reload ) 9>/tmp/fpmlockif [ -f artisan ]; then    $FORGE_PHP artisan migrate --forcefiprintf '
 Installing NPM dependencies based on \"./package-lock.json\"
'npm installprintf '
 Generating JS App files
'npm run buildprintf '
 !!! Link Deployment Directory !!!
'echo "$RELEASE_NAME" >> $RELEASES_DIRECTORY/.successesif [ -d ~/$DOMAIN/current ] && [ ! -L ~/$DOMAIN/current ]; then  rm -rf ~/$DOMAIN/currentfiln -s -n -f -T "$DEPLOYMENT_DIRECTORY/public" ~/$DOMAIN/current# Clean Upcd $RELEASES_DIRECTORYprintf '
 Delete failed releases:
'if grep -qvf .successes <(ls -1)then  grep -vf .successes <(ls -1)  grep -vf .successes <(ls -1) | xargs rm -rfelse  echo "No failed releases found."fiprintf '
 Delete old successful releases:
'AMOUNT_KEEP_RELEASES=$((AMOUNT_KEEP_RELEASES-1))LINES_STORED_RELEASES_TO_DELETE=$(find . -maxdepth 1 -mindepth 1 -type d ! -name "$RELEASE_NAME" -printf '%T@%f
' | head -n -"$AMOUNT_KEEP_RELEASES" | wc -l)if [ "$LINES_STORED_RELEASES_TO_DELETE" != 0 ]; then  find . -maxdepth 1 -mindepth 1 -type d ! -name "$RELEASE_NAME" -printf '%T@%f
' | sort -t $'' -g | head -n -"$AMOUNT_KEEP_RELEASES" | cut -d $'' -f 2-  find . -maxdepth 1 -mindepth 1 -type d ! -name "$RELEASE_NAME" -printf '%T@%f
' | sort -t $'' -g | head -n -"$AMOUNT_KEEP_RELEASES" | cut -d $'' -f 2- | xargs -I {} sed -i -e '/{}/d' .successes  find . -maxdepth 1 -mindepth 1 -type d ! -name "$RELEASE_NAME" -printf '%T@%f
' | sort -t $'' -g | head -n -"$AMOUNT_KEEP_RELEASES" | cut -d $'' -f 2- | xargs rm -rfelse  AMOUNT_KEEP_RELEASES=$((AMOUNT_KEEP_RELEASES+1))  LINES_STORED_RELEASES_TOTAL=$(find . -maxdepth 1 -mindepth 1 -type d -printf '%T@%f
' | wc -l)  printf 'There are only %s successfully stored releases, which is less than or equal to your
defined %s releases to keep, so none of them got deleted.' "$LINES_STORED_RELEASES_TOTAL" "$AMOUNT_KEEP_RELEASES"fiprintf '
 Status - stored releases:
'find . -maxdepth 1 -mindepth 1 -type d -printf '%T@%f
' | sort -nr | cut -f 2-printf '
 Deployment DONE: %s
' "$DEPLOYMENT_DIRECTORY"