Learning resources for building and extending applications on Heroku.
11 months ago
- If your application tries to connect to the database on the first push it may not be able to if a database has not been added to your application yet.
3 years ago
- Application maintainers may tune application performance and memory use by adjusting the MALLOC_ARENA_MAX environment variable
5 years ago
- Heroku does not support the use of Rack::Sendfile and its use will cause file downloads to fail.