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@@ -128,7 +128,7 @@ There are many ways to extend the `postgres` image. Without trying to support ev
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## Environment Variables
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-The PostgreSQL image uses several environment variables which are easy to miss. While none of the variables are required, they may significantly aid you in using the image.
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+The PostgreSQL image uses several environment variables which are easy to miss. The only variable required is `POSTGRES_PASSWORD`, the rest are optional.
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**Warning**: the Docker specific variables will only have an effect if you start the container with a data directory that is empty; any pre-existing database will be left untouched on container startup.
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Docker Library Bot