Troubleshooting Common Issues

You might stumble upon these common issues while setting up PostgreSQL & pgAdmin in docker

1. Sometimes connection won’t be established between PostgreSQL container and pgAdmin.

Make sure the containers are all on the same Docker network. Check the accuracy of connection parameters such hostname, port, login, and password. Also, ensure that PostgreSQL is set up to allow connections.

docker run --name pg -e POSTGRES_USER=root -e POSTGRES_PASSWORD=pass -p 5432:5432 -d postgres

2. If you are facing issues when trying to execute certain queries or accessing specific tables.

Examine the user permissions in PostgreSQL. Check that the user connecting from pgAdmin has the relevant permissions.

3. A default database will be built and will not allow incoming connections if there isn’t one when PostgreSQL in a container starts. This causes issue when connecting with pgAdmin

healthcheck:
test: ["CMD-SHELL", "pg_isready -U postgres"]
interval: 3s
timeout: 3s
retries: 3

Run PostgreSQL on Docker and Setting Up pgAdmin

PostgreSQL, an effective tool, is a free­-to-use relational database management system. Docker can quickly construct and orche­strate its instances without bothering about the complexity of setup or depe­ndencies. This step-by-step simple guide will show you how to get Postgre­SQL on Docker, and then, use the pgAdmin extension to look at the database­.

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