No need to use .get() for Docker env values

These are provided by docker-compose.yml file, no default is needed.

Author: ulgens

djangoproject/settings/docker.py

@@ -2,20 +2,20 @@
 
 DATABASES = {
     "default": {
-        "ENGINE": os.environ.get("SQL_ENGINE"),
-        "NAME": os.environ.get("SQL_DATABASE"),
-        "USER": os.environ.get("SQL_USER"),
-        "PASSWORD": os.environ.get("SQL_PASSWORD"),
-        "HOST": os.environ.get("SQL_HOST"),
-        "PORT": os.environ.get("SQL_PORT"),
+        "ENGINE": os.environ["SQL_ENGINE"],
+        "NAME": os.environ["SQL_DATABASE"],
+        "USER": os.environ["SQL_USER"],
+        "PASSWORD": os.environ["SQL_PASSWORD"],
+        "HOST": os.environ["SQL_HOST"],
+        "PORT": os.environ["SQL_PORT"],
     },
     "trac": {
         "ENGINE": "django.db.backends.postgresql",
-        "NAME": os.environ.get("TRAC_DATABASE", "code.djangoproject"),
-        "USER": os.environ.get("TRAC_USER", "code.djangoproject"),
-        "PASSWORD": os.environ.get("TRAC_PASSWORD", ""),
-        "HOST": os.environ.get("TRAC_HOST", "db"),
-        "PORT": os.environ.get("TRAC_PORT", "5432"),
+        "NAME": os.environ["TRAC_DATABASE"],
+        "USER": os.environ["TRAC_USER"],
+        "PASSWORD": os.environ["TRAC_PASSWORD"],
+        "HOST": os.environ["TRAC_HOST"],
+        "PORT": os.environ["TRAC_PORT"],
     },
 }