cloud-node-container/scripts/entrypoint.sh

#!/usr/bin/env bash

if [ -z "$NODEVER" ]; then
  NODEVER="20";
fi

if [ -z "$environment" ]; then
  environment="PROD"
fi

# Create user with proper error handling
if ! id -u $user >/dev/null 2>&1; then
    echo "Creating user $user with UID $uid"
    adduser -u $uid -m -s /bin/bash $user || {
        echo "Failed to create user $user with UID $uid"
        exit 1
    }
else
    echo "User $user already exists"
fi

mkdir -p /home/$user/app
mkdir -p /home/$user/logs/{nginx,nodejs}

# Link log directories
rm -rf /var/log/nginx
ln -s /home/$user/logs/nginx /var/log/nginx
ln -s /home/$user/logs/nodejs /var/log/nodejs

# Configure nginx for reverse proxy
/scripts/create-nginx-config.sh

# Set ownership and permissions
chown -R $user:$user /home/$user
chmod -R 755 /home/$user

# Start nginx
nginx

if [[ $environment == 'DEV' ]]; then
  echo "Starting Dev Deployment"
  
  # Ensure microdnf is available for installing additional packages in DEV mode
  if ! command -v microdnf &> /dev/null; then
    echo "microdnf not found, installing with dnf..."
    dnf install -y microdnf && dnf clean all
  fi
  
  # Install Memcached for session storage in DEV mode with memory limit
  microdnf install -y memcached
  # Start memcached with 32MB memory limit
  nohup memcached -d -u $user -p 11211 -m 32
  
fi

# Start cron for log rotation and backups
/usr/sbin/crond

# Create app directory if it doesn't exist
if [ ! -d /home/$user/app ]; then
  echo "Creating app directory at /home/$user/app"
  mkdir -p /home/$user/app
  chown -R $user:$user /home/$user/app
fi

# If app directory is empty, copy the simple-website example
if [ -z "$(ls -A /home/$user/app)" ]; then
  echo "App directory is empty, copying simple-website example..."
  cp -r /examples/simple-website/* /home/$user/app/
  chown -R $user:$user /home/$user/app
  echo "Copied simple-website example to provide a working application"
fi

# Now there's always an app in the user directory (either user's or example)
cd /home/$user/app

# Verify user exists and show info
echo "Verifying user setup:"
id $user || { echo "ERROR: User $user does not exist!"; exit 1; }

# Install dependencies as the user
echo "Installing npm dependencies as user $user..."
su -c "npm install" $user

# Check if ecosystem.config.js exists, if not generate it
if [ ! -f /home/$user/app/ecosystem.config.js ]; then
  echo "No ecosystem.config.js found, generating from package.json..."
  /scripts/generate-ecosystem-config.sh "$user" "/home/$user/app"
  chown $user:$user /home/$user/app/ecosystem.config.js
fi

# Mirror logs to docker logs in the background.
# Use -F (capital) so logrotate-recreated files keep streaming.
tail -F /home/$user/logs/nginx/access.log \
        /home/$user/logs/nginx/error.log \
        /home/$user/logs/nodejs/app.log \
        /home/$user/logs/nodejs/out.log \
        /home/$user/logs/nodejs/error.log 2>/dev/null &

# Start PM2 under tini so it becomes PID 1 (with proper signal forwarding
# and zombie reaping for nginx/crond/memcached children that reparent here).
# When pm2 exits (e.g. max_restarts exhausted), tini exits and Docker's
# restart policy brings the container back.
echo "Starting PM2 as user $user (under tini as PID 1)..."
cd /home/$user/app
exec tini -- su - $user -c "cd /home/$user/app && NODE_ENV=production pm2 start ecosystem.config.js --no-daemon"