Deploying Symfony CMF to Heroku

cmfdeploy.sh

git clone https://github.com/symfony-cmf/cmf-sandbox.git
cd cmf-sandbox
composer install
# declare optional extensions as required
php -dmemory_limit=4G $(which composer) require "ext-gd:*" "ext-exif:*"
git add composer.json composer.lock
git commit -m "require gd and exif extensions"
# add DATABASE_URL mapping to composer.json and update DB config (see database.diff)
php -dmemory_limit=4G $(which composer) update --lock
git add composer.json composer.lock app/config/config.yml app/config/config_prod.yml
git commit -m "map DATABASE_URL"
# log to php://stderr in config_prod.yml (see logging.diff)
git add app/config/config_prod.yml
git commit -m "log to stderr in prod"
# this config needs to be in the repo
cp app/config/phpcr_doctrine_dbal.yml.dist app/config/phpcr.yml
sed -i '' '/phpcr.yml/d' .gitignore
git add app/config/phpcr.yml .gitignore
git commit -m "PHPCR config"
# Procfile
echo 'web: $(composer config bin-dir)/heroku-php-apache2 web/' > Procfile
git add Procfile
git commit -m "Heroku Procfile"
# deploy
heroku create
heroku config:set SYMFONY_ENV=prod
heroku addons:create heroku-postgresql
git push heroku master
# init DB
heroku run "php app/console doctrine:phpcr:init:dbal --force"
heroku run "php app/console doctrine:phpcr:workspace:create default"
heroku run "php app/console doctrine:phpcr:repository:init"
heroku run "php app/console -v -n doctrine:phpcr:fixtures:load"
# done
heroku open

database.diff

diff --git a/app/config/config.yml b/app/config/config.yml
index 3075825..0685fda 100644
--- a/app/config/config.yml
+++ b/app/config/config.yml
@@ -55,13 +55,6 @@ swiftmailer:
 # for jackalope-doctrine-dbal
 doctrine:
     dbal:
-        driver:   '%database_driver%'
-        host:     '%database_host%'
-        port:     '%database_port%'
-        dbname:   '%database_name%'
-        user:     '%database_user%'
-        password: '%database_password%'
-        path:     '%database_path%'
         charset:  UTF8
 
 # cmf configuration
diff --git a/app/config/config_prod.yml b/app/config/config_prod.yml
index aa51fbf..b704da2 100644
--- a/app/config/config_prod.yml
+++ b/app/config/config_prod.yml
@@ -17,3 +17,7 @@ monolog:
             type:  stream
             path:  '%kernel.logs_dir%/%kernel.environment%.log'
             level: debug
+
+doctrine:
+    dbal:
+        url: '%database_url%'
diff --git a/composer.json b/composer.json
index 0d880da..07a3ba8 100644
--- a/composer.json
+++ b/composer.json
@@ -91,7 +91,9 @@
         "incenteev-parameters": [
             {
                 "file": "app/config/parameters.yml",
-                "env-map": {}
+                "env-map": {
+                    "database_url": "DATABASE_URL"
+                }
             },
             {
                 "file": "app/config/phpcr.yml",

logging.diff

diff --git a/app/config/config_prod.yml b/app/config/config_prod.yml
index b704da2..755cff9 100644
--- a/app/config/config_prod.yml
+++ b/app/config/config_prod.yml
@@ -15,7 +15,7 @@ monolog:
             handler:      nested
         nested:
             type:  stream
-            path:  '%kernel.logs_dir%/%kernel.environment%.log'
+            path:  'php://stderr'
             level: debug
 
 doctrine: