diff --git a/changes/changelog.d/postgres_env.deprecation b/changes/changelog.d/postgres_env.deprecation
new file mode 100644
index 000000000..1d110a607
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+++ b/changes/changelog.d/postgres_env.deprecation
@@ -0,0 +1,3 @@
+The automatically generated 'DATABASE_URL' configuration in the docker setup is deprecated, please
+configure either the 'DATABASE_URL' environment variable or the 'DATABASE_HOST', 'DATABASE_USER' and
+'DATABASE_PASSWORD' environment variables instead.