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Adminer and pgweb are two web-based database managers that run in Docker with a single container each. Adminer is one PHP file that handles MySQL, PostgreSQL and six other engines; pgweb is a Go explorer dedicated to PostgreSQL. This guide brings a ready-to-copy docker-compose.yml and explains how to secure them properly.
MariaDB is an open-source relational database, a fork of MySQL and compatible with it, that in Docker runs as a single container with a persistent volume. With this docker-compose.yml you set the root password, the database and the initial user through environment variables, and you keep your data even if you recreate the container.
PostgreSQL is the most advanced open-source relational database, and in Docker you bring it up with a single docker-compose.yml file. You define a persistent volume, the superuser password and a pg_isready healthcheck, and within seconds you have a server on port 5432 ready for other containers to connect to it by the service name.
