64 lines
2.1 KiB
Plaintext
64 lines
2.1 KiB
Plaintext
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#!/bin/bash
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# Make the site live again, for instance by tweaking a .htaccess file
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# or starting a node server. In this example we also set up a
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# data/port file so that sc-proxy.js can figure out what port
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# to forward traffic to for this site. The idea is that every
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# folder in /var/webapps represents a separate project with a separate
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# node process, each listening on a specific port, and they all
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# need traffic forwarded from a reverse proxy server on port 80
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# Useful for debugging
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#set -x verbose
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# Express should not reveal information on errors,
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# also optimizes Express performance
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export NODE_ENV=production
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if [ ! -f "app.js" ]; then
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echo "I don't see app.js in the current directory."
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exit 1
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fi
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# Assign a port number if we don't yet have one
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if [ -f "data/port" ]; then
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PORT=`cat data/port`
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else
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# No port set yet for this site. Scan and sort the existing port numbers if any,
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# grab the highest existing one
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PORT=`cat ../../../*/data/port 2>/dev/null | sort -n | tail -1`
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if [ "$PORT" == "" ]; then
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echo "First app ever, assigning port 3000"
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PORT=3000
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else
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# Bash is much nicer than sh! We can do math without tears!
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let PORT+=1
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fi
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echo $PORT > data/port
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echo "First startup, chose port $PORT for this site"
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fi
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# Run the app via 'forever' so that it restarts automatically if it fails
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# Use `pwd` to make sure we have a full path, forever is otherwise easily confused
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# and will stop every server with the same filename
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# Use a "for" loop. A classic single-port file will do the
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# right thing, but so will a file with multiple port numbers
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# for load balancing across multiple cores
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for port in $PORT
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do
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export PORT=$port
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forever --minUptime=1000 --spinSleepTime=10000 -o data/console.log -e data/error.log start `pwd`/app.js && echo "Site started"
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done
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# Run the app without 'forever'. Record the process id so 'stop' can kill it later.
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# We recommend installing 'forever' instead for node apps. For non-node apps this code
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# may be helpful
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#
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# node app.js >> data/console.log 2>&1 &
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# PID=$!
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# echo $PID > data/pid
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#
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#echo "Site started"
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