Pgadmin 4 for docker3/23/2023 ![]() ![]() Run the command docker inspect -f '' | python -m json.toolĬopy the dump from your host system to one of the volumesĮxecute pg_restore via docker exec command Step 2: Find the volumes available in the Docker container Turn on your Docker and run the docker ps command to locate the name and id of the Docker container. The one way to accomplish both backup and restore postgres data dump in Docker container How to Restore Data Dump Using pg_restore Step 1: Find the name and id of the Docker container hosting the Postgres instance Generic flow to backup and restore postgres dump in Docker Moreover, it's easy for me to update the content here as time goes by. But, keeping it to only one way makes it easy for beginners to follow. It doesn't mean my one way is the best way. To keep things simple for beginners, I will only state one way to accomplish this. ![]() Similarly, there are several ways to run backup and restore. There are several ways to achieve the transfer of files between your host system and the docker container. Therefore, when you execute the typical Postgres pg_restore commands, the database dumps will need to be in the docker container's volumes. When you want to run certain commands within the containers and these commands need to interact with certain files, the assumption is that these files are found in the docker container's own volumes.Next, realize that executing commands inside the docker container from your host system is possible.Think of them like the disk volumes in your host system. Firstly, Docker containers have their own volumes.Key Insights You Need to Know About Docker Containersīefore I go into the step by step about the backup and restore database dumps, you need to first acquire some fundamental insights of the Postgres and Docker technologies. I'll write the counterpart article to the backup process on a separate day and add the link to it when it's ready. Therefore, this article is about how to restore database dumps for Postgres running inside Docker containers. Some frequent tasks includes backing up and restoring database dumps. However, this also means I need to figure out regularly used tasks involving these new technologies. Adding Postgres and Docker to my toolbox has increased my effectiveness in my software business. This is especially the case when I paid to learn about cookiecutter-django. Starting in mid 2018, I moved towards using Postgres and Docker instead. MySQL for database and VirtualBox and Vagrant for running my environments. Title: "How to Restore Database Dumps for Postgres in Docker Container"īefore 2018, I largely use the following technologies. Also, here you have to replace localhost with your server IP if your container is running elsewhere.How to Restore Database Dumps for Postgres in Docker Container įor a tool like PgAdmin you can define your connection. Now you can connect with your database using \c. postgres=# \l List of databases Name | Owner | Encoding | Collate | Ctype | - - - - - mytestdb | postgres | UTF8 | en_US.utf8 | en_US.utf8 | postgres | postgres | UTF8 | en_US.utf8 | en_US.utf8 | template0 | postgres | UTF8 | en_US.utf8 | en_US.utf8 | | | | | | template1 | postgres | UTF8 | en_US.utf8 | en_US.utf8 | | | | | | (4 rows)Īfter authenticating you will see the mytestdb is in the list of available databases. $ psql -h localhost -p 5432 -U postgres -W Password for user postgres: psql (9.5.5, server 10.3 (Debian 10.3-1.pgdg90 1)) WARNING: psql major version 9.5, server major version 10. ![]() (For Windows docker-machine you probably need to use 192.168.99.100). If it is running on a specific server, use your server IP. My PostgreSQL container is running on my local machine, which explains why I am connecting with localhost. Here you need some PostgreSQL Client tool installed: You can exit your container ( \q) and go to your local machine. postgres=# CREATE DATABASE mytestdb CREATE DATABASE postgres=#\q psql -U postgres psql (10.3 (Debian 10.3-1.pgdg90 1)) Type "help" for help. We can access postgres and create the database. We will create a database inside our PostgreSQL container. Port 5432 of our container will be mapped on port 5432 of our host or server.Īccess the container on your host or server. This command will start a PostgreSQL database and map ports using the following pattern: -p. With the following command it is possible to start your PostgreSQL Docker container on your server or local machine: $ docker run -d -p 5432:5432 -name my-postgres -e POSTGRES_PASSWORD=mysecretpassword postgres Docker makes it very easy to spin up a PostgreSQL database management system. ![]()
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