How to setup my newly created managed DB, using PSQL on my Droplet

Question

Good morning,I am attempting to deploy a Django app on a DO Droplet and connect it to a DO managed postgresql instance and I am running into an interesting problem. I have set up numerous Django apps in the past but all on a private company network so the security was never an issue. This is my first attempt on DO with a public app. I run my connection string on the droplet server and appear to make a successful connection. I get a message regarding the protocol and cipher for the SSL connection and I get a PSQL prompt, as expected. I run a CREATE DATABASE statement successfully. When I list the databases, I see my newly created database. But, when I try to run a PSQL connection statement I get this error: connection to server at “[database name from connection string].c.db.ondigitalocean.com” (10.x.x.x), port 25061 failed: FATAL: no such database: [newly created database] connection to server at “[database name from connection string].c.db.ondigitalocean.com” (10.x.x.x), port 25061 failed: FATAL: SSL required Details: I’m following this tutorial: https://www.digitalocean.com/community/tutorials/how-to-set-up-a-scalable-django-app-with-digitalocean-managed-databases-and-spaces But, I am using an Ubuntu 22.04 server set up using this tutorial: https://www.digitalocean.com/community/tutorials/initial-server-setup-with-ubuntu-22-04 All has gone according to plan, UFW is set up, NGINX is installed, Let’s Encrypt set up. Nginx is serving the expected test page at the expected https URL. Postgres is v14.9 and is setup as recommended, with a connection pool. DB has 2 IPs allowed, the droplet and my home IP. For my initial server connection that produces my PSQL prompt, I select the VPC and Flags options from the connection pool config and copy that string which appears to work. How can I use PSQL from my droplet to configure the DB and make sure the app runs when I install it? Thanks in advance!

BEN ANDREAS · Answer

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KFSys · Answer

Heya @benandreas , Using Ubuntu 22.04 should be fine. Can you please make sure you’ve done all the following steps/commands before trying the PSQL connection statement: CREATE DATABASE SomethingName; \c SomethingName; ```sql CREATE USER SomethingUserName WITH PASSWORD 'SomethingPassword'; ALTER ROLE SomethingUserName SET client_encoding TO 'utf8'; ALTER ROLE SomethingUserName SET default_transaction_isolation TO 'read committed'; ALTER ROLE SomethingUserName SET timezone TO 'UTC'; GRANT ALL PRIVILEGES ON DATABASE polls TO SomethingUserName ; \q And see how it goes? Remember to change SomethingName - with your actual DB name SomethingUserName with your actual User you want to use SomethingPassword with the password you want to use. After that make sure to add the new information in your settings.py - ~/django-polls/mysite/settings.py DATABASES = { 'default': { 'ENGINE': 'django.db.backends.postgresql_psycopg2', 'NAME': 'SomethingName', 'USER': 'SomethingUserName', 'PASSWORD': 'SomethingPassword', 'HOST': 'managed_db_host', 'PORT': 'managed_db_port', } } Additionally, what exactly is the statement? Can you share it so that I can try and recreate the issue on my end?

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How to setup my newly created managed DB, using PSQL on my Droplet

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