Question

How can I setup a docker postgres container on DigitalOcean and connect to it?

Posted September 25, 2018 4.6k views
DigitalOceanDockerPostgreSQLUbuntu 18.04

I’ve created a droplet with docker pre-installed
I’ve pulled the official Postgres image and used the following command to run it

docker run --name postgres -e POSTGRES_PASSWORD=****** -e POSTGRES_USER=**** -d postgres

This image auto exposes the default Postgres port 5432
I can see the container running using: docker ps
but cannot connect to it
I’m using jetbrains datagrip sql client to connect. I’ve filled the ip host, user/password I’ve set on the Postgres container.
My droplet inclues my ssh keys and I could verify that I’m able to connect to my droplet but not to my container.
I assume I should use such a tcp client to connect to my droplet ip on 5432 port and I’m suppose to be able to connect to it, right?
Did I miss anything?
I’ve also tried setting up a network driver using:

docker network create --driver bridge postgres-network

and after stoping and removing the container to recreate it like so:

docker run --name db-postgres --network postgres-network -e POSTGRES_USER=**** POSTGRES_PASSWORD=****** -d postgres

It didn’t work either…
Can you please assist me?
Thank you
Ajar

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1 answer

Hey friend!

For that first part, run this instead:

docker run -p 5432:5432 –name postgres -e POSTGRESPASSWORD=****** -e POSTGRESUSER=**** -d postgres

The container may expose the port, but this will bind it to a port outside of the container for accessibility.

Jarland

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