recommend a better way of backing up postgres
don't spawn an extra container run pg_dumpall within matrix-postgres instead, ensures correct version store under /matrix so a backup of the folder will contain a DB dump use absolute paths just in case something in the ENV is messed up
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@ -51,15 +51,12 @@ ansible-playbook -i inventory/hosts setup.yml --tags=run-postgres-vacuum,start
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To make a back up of the current PostgreSQL database, make sure it's running and then execute a command like this on the server:
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```bash
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docker run \
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--rm \
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--log-driver=none \
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--network=matrix \
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/usr/bin/docker exec \
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--env-file=/matrix/postgres/env-postgres-psql \
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docker.io/postgres:13.1-alpine \
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pg_dumpall -h matrix-postgres \
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matrix-postgres \
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/usr/local/bin/pg_dumpall -h matrix-postgres \
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| gzip -c \
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> /postgres.sql.gz
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> /matrix/postgres.sql.gz
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```
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If you are using an [external Postgres server](configuring-playbook-external-postgres.md), the above command will not work, because the credentials file (`/matrix/postgres/env-postgres-psql`) is not available.
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