Heroku H18 Error on Laravel Large File Upload

I’m experiencing Heroku’s H18 errors uploading large files and passing it to an S3 instance. It happens itermittently. The Heroku docs say the following. Usually, an H18 indicates that a response has multiple stages – forinstance, streaming chunks of a large response – and that one of thosestages has thrown an error.https://devcenter.heroku.com/articles/error-codes#h18-server-request-interrupted The docs further … Read more

Heroku Redis Key Eviction Policy

Redis has a maxmemory-policy where it decides how to handle keys when memory limit is reached. noeviction will return errors when the memory limit is reached. allkeys-lru will remove less recently used keys first. volatile-lru will remove less recently used keys first that have an expiry set. allkeys-random will evict random keys. volatile-random will evict … Read more

Adding PHP extensions to Heroku

Use of undefined constant FTP_BINARY

Another wild goose chase. PHP 7 does not come with it’s ftp extension enabled by default. Typically you’d uncomment the line “extension=ftp.so” in the php.ini file. However, Heroku doesn’t support php.ini. In their docs, Heroku asks users to add a “.user.ini” file. Which didn’t work for me and some other folks who write blogs. Even … Read more