Setting the port for node.js server on Heroku
You can’t. Heroku sets the PORT variable that you are supposed to bind, and listens on tcp/80.
heroku
Heroku push rejected, no Cedar-supported app detected
I had a similar problem, but with Django (incorrectly named “requirements.txt”). I think to generalize the other answers here, when you get this error it’s because Heroku is missing some key file that it uses to identify your app (and its type). php: index.php python: requirements.txt ruby: Gemfile # note the capitalization node: package.json
How to import a text file on AWS S3 into pandas without writing to disk
pandas uses boto for read_csv, so you should be able to: import boto data = pd.read_csv(‘s3://bucket….csv’) If you need boto3 because you are on python3.4+, you can import boto3 import io s3 = boto3.client(‘s3′) obj = s3.get_object(Bucket=”bucket”, Key=’key’) df = pd.read_csv(io.BytesIO(obj[‘Body’].read())) Since version 0.20.1 pandas uses s3fs, see answer below.
Cannot push to Heroku because key fingerprint
I had the same problem, I followed this post and others of the same kind without success :-(( Finally, I found the solution: I had to add my new rsa identity in my machine! So, first of all I created a new rsa key: ssh-keygen -t rsa -C “giordano.scalzo[at]gmail.com” -f ~/.ssh/id_rsa_heroku then added it to … Read more
Rails 2.3-style plugins and deprecation warnings running task in Heroku
Are you using Heroku? Heroku will inject plugins in Rails 3.x applications .. To avoid this injection in Rails 3, include the rails_12factor gem in your application. (Heroku Ruby Support 2013-10-26) The rails_12factor gem is also required in rails 4. If this gem is not present in your application, you will receive a warning while … Read more
How to link a folder with an existing Heroku app
Heroku links your projects based on the heroku git remote (and a few other options, see the update below). To add your Heroku remote as a remote in your current repository, use the following command: git remote add heroku [email protected]:project.git where project is the name of your Heroku project (the same as the project.heroku.com subdomain). … Read more
Allow CORS REST request to a Express/Node.js application on Heroku
I’ve cheked your code on a clean ExpressJS app and it works just fine. Try move your app.use(allowCrossDomain) to the top of configure function.
H14 error in heroku – “no web processes running”
The issue here is that you’re not running any web dynos. You can tell Heroku to do this via: $ heroku ps:scale web=1 This will force Heroku to spin up a web dyno, thereby executing your gunicorn command.
React Routing works in local machine but not Heroku
I actually came across this post first before 3 hours of searching through react-router and heroku documentation. For swyx, and anyone else having the same problem, I’ll outline the minimum of what you need to do to get this working. router.js – (Obviously change AppSplash and AppDemo to your components) export default <Router history={hashHistory}> <Route … Read more
How to solve error “Missing `secret_key_base` for ‘production’ environment” (Rails 4.1)
I had the same problem and solved it by creating an environment variable to be loaded every time I logged in to the production server, and made a mini-guide of the steps to configure it: I was using Rails 4.1 with Unicorn v4.8.2 and when I tried to deploy my application it didn’t start properly … Read more