postgres commands

docs/postgres/dump-and-restore.md

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+# Dump and Restore
+
+Handy commands for dumping and restoring Postgres databases.
+
+:::info
+Most of these commands are run using Docker as then we don't need to have Postgres installed locally.
+
+If a different version of Postgres is needed, just change the version number in the Docker image tag.
+:::
+
+## Dumping a Database
+
+```bash
+docker run --network host --rm -v .:/tmp -e PGPASSWORD=mysecretpassword postgres:16 pg_dump -h localhost -U myuser -d mydb > /tmp/dump.sql
+```
+
+## Restoring a Database
+
+```bash
+docker run --network host --rm -v .:/tmp -e PGPASSWORD=mysecretpassword postgres:16 psql -h localhost -U myuser -d mydb < /tmp/dump.sql
+```