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Quick Tip: Deploy PHP to Heroku in Seconds
We’ve raved about the brilliance of Heroku before, mostly around the fact that it makes launching a Rails or Node app rather simple without having to configure your own server. But what if you want the same kind of freedom and speed of deployment with PHP? Fortunately, Heroku has quietly offered support for PHP for quite some time.
Make Sure You Have the Heroku Toolbelt
For Heroku deployment, you need the provided command line toolbelt. Follow the instructions on the same page; they’ll walk you through setting up the Heroku command line toolbelt with your Heroku account.
Ready, Set, Deploy
First, create an index.php
file within your application’s directory, and type the following code:
<?php# This function reads your DATABASE_URL configuration automatically set by Heroku# the return value is a string that will work with pg_connectfunction pg_connection_string() { // we will fill this out next}# Establish db connection$db = pg_connect(pg_connection_string());if (!$db) {echo "Database connection error."exit;}$result = pg_query($db, "SELECT statement goes here");?>
This code uses pg_connect to connect to your automatically created Heroku Postgres database. We don’t have the connection information yet; we’ll have to wait until after we create our Heroku repository. Let’s do that now. From your project directory, run the following commands:
> git init> git add .> heroku create...
This automatically creates your project and adds the repository as the “heroku
” branch. Now run the following commands to deploy the project:
> git push heroku master> heroku addons:add heroku-postgresql:ronin # this will return something like the followingAdding heroku-postgresql on intense-harbor-6679... done, v8 (free)Attached as HEROKU_POSTGRESQL_PINKDatabase has been created and is available> heroku pg:credentials COLOR"dbname=abcdefg host=****.amazonaws.com port=5432 user=**** password=**** sslmode=require"
This final command should return a credentials string that you can use in your index.php
file (or anywhere you need a database connection).
<?php# This function reads your DATABASE_URL configuration automatically set by Heroku# the return value is a string that will work with pg_connectfunction pg_connection_string() { return "dbname=abcdefg host=****.amazonaws.com port=5432 user=**** password=**** sslmode=require";}# Establish db connection$db = pg_connect(pg_connection_string());if (!$db) {echo "Database connection error."exit;}$result = pg_query($db, "SELECT statement goes here");?>
To view your index.php
on Heroku, run heroku open
, which simply opens the project in your browser.
Conclusion
That’s it! There’s plenty more that you can learn about Heroku, but this will get you deployed and connected to a database in less than 5 minutes.
Original Link: http://feedproxy.google.com/~r/nettuts/~3/4Yduf2LBbG4/
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