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69 lines
2.4 KiB
Markdown
69 lines
2.4 KiB
Markdown
## PostgreSQL and pgAdmin
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This example provides a base setup for using [PostgreSQL](https://www.postgresql.org/) and [pgAdmin](https://www.pgadmin.org/).
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More details on how to customize the installation and the compose file can be found [here (PostgreSQL)](https://hub.docker.com/_/postgres) and [here (pgAdmin)](https://www.pgadmin.org/docs/pgadmin4/latest/container_deployment.html).
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Project structure:
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```
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.
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├── .env
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├── compose.yaml
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└── README.md
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```
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[_compose.yaml_](compose.yaml)
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``` yaml
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services:
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postgres:
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image: postgres:latest
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...
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pgadmin:
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image: dpage/pgadmin4:latest
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```
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## Configuration
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### .env
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Before deploying this setup, you need to configure the following values in the [.env](.env) file.
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- POSTGRES_USER
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- POSTGRES_PW
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- POSTGRES_DB (can be default value)
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- PGADMIN_MAIL
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- PGADMIN_PW
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## Deploy with docker compose
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When deploying this setup, the pgAdmin web interface will be available at port 5050 (e.g. http://localhost:5050).
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``` shell
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$ docker compose up
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Starting postgres ... done
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Starting pgadmin ... done
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```
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## Add postgres database to pgAdmin
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After logging in with your credentials of the .env file, you can add your database to pgAdmin.
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1. Right-click "Servers" in the top-left corner and select "Create" -> "Server..."
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2. Name your connection
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3. Change to the "Connection" tab and add the connection details:
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- Hostname: "postgres" (this would normally be your IP address of the postgres database - however, docker can resolve this container ip by its name)
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- Port: "5432"
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- Maintenance Database: $POSTGRES_DB (see .env)
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- Username: $POSTGRES_USER (see .env)
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- Password: $POSTGRES_PW (see .env)
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## Expected result
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Check containers are running:
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```
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$ docker ps
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CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
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849c5f48f784 postgres:latest "docker-entrypoint.s…" 9 minutes ago Up 9 minutes 0.0.0.0:5432->5432/tcp, :::5432->5432/tcp postgres
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d3cde3b455ee dpage/pgadmin4:latest "/entrypoint.sh" 9 minutes ago Up 9 minutes 443/tcp, 0.0.0.0:5050->80/tcp, :::5050->80/tcp pgadmin
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```
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Stop the containers with
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``` shell
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$ docker compose down
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# To delete all data run:
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$ docker compose down -v
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```
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