Removing DATABASE_URL environment variable (#4096)

* Removing DATABASE_URL environment variable

* Test unsetting env variable via scripts

* Unsetting env variable from scripts

* Testing a different approach

* Removed unnecessary code

* More cleaning

* More cleaning

backend/.profile

@@ -54,4 +54,4 @@ if [[ "$CF_INSTANCE_INDEX" == 0 ]]; then
 fi
 
 # Make psql usable by scripts, for debugging, etc.
-alias psql='/home/vcap/deps/0/apt/usr/lib/postgresql/*/bin/psql'
+alias psql='/home/vcap/deps/0/apt/usr/lib/postgresql/*/bin/psql'

backend/config/settings.py

@@ -174,11 +174,6 @@
 # Database
 # https://docs.djangoproject.com/en/4.0/ref/settings/#databases
 
-DATABASES = {
-    "default": env.dj_db_url(
-        "DATABASE_URL", default="postgres://postgres:[email protected]/backend"
-    ),
-}
 
 POSTGREST = {
     "URL": env.str("POSTGREST_URL", "http://api:3000"),
@@ -237,6 +232,13 @@
 # Environment specific configurations
 DEBUG = False
 if ENVIRONMENT not in ["DEVELOPMENT", "PREVIEW", "STAGING", "PRODUCTION"]:
+
+    DATABASES = {
+        "default": env.dj_db_url(
+            "DATABASE_URL", default="postgres://postgres:[email protected]/backend"
+        ),
+    }
+
     # Local environment and Testing environment (CI/CD/GitHub Actions)
 
     if ENVIRONMENT == "LOCAL":
@@ -284,6 +286,7 @@
     # One of the Cloud.gov environments
     STATICFILES_STORAGE = "storages.backends.s3boto3.S3ManifestStaticStorage"
     DEFAULT_FILE_STORAGE = "report_submission.storages.S3PrivateStorage"
+
     vcap = json.loads(env.str("VCAP_SERVICES"))
 
     DB_URL = get_db_url_from_vcap_services(vcap)