diff --git a/docker/production/README.md b/docker/production/README.md
index 12bc88510..7054146de 100644
--- a/docker/production/README.md
+++ b/docker/production/README.md
@@ -14,7 +14,7 @@ You will need to :
 ## Update the env file
 
     cd docker/production/
-    cp env.example .env
+    cp env.template .env
 
 Edit the `.env` content with your own settings.
 More settings can be added in .env, see all in docker-compose.yml file.
diff --git a/docker/production/env b/docker/production/env.template
similarity index 100%
rename from docker/production/env
rename to docker/production/env.template
diff --git a/docker/production/releases.exs b/docker/production/releases.exs
index 64a6ef993..412132672 100644
--- a/docker/production/releases.exs
+++ b/docker/production/releases.exs
@@ -28,7 +28,7 @@ config :mobilizon, Mobilizon.Storage.Repo,
   password: System.get_env("MOBILIZON_DATABASE_PASSWORD", "password"),
   database: System.get_env("MOBILIZON_DATABASE_DBNAME", "mobilizon"),
   hostname: System.get_env("MOBILIZON_DATABASE_HOST", "postgres"),
-  port: "5432",
+  port: 5432,
   pool_size: 10
 
 config :mobilizon, Mobilizon.Web.Email.Mailer,