diff --git a/mypy.ini b/mypy.ini
--- a/mypy.ini
+++ b/mypy.ini
@@ -36,6 +36,9 @@
 [mypy-prometheus_client.*]
 ignore_missing_imports = True
 
+[mypy-psycopg2.*]
+ignore_missing_imports = True
+
 [mypy-pygments.*]
 ignore_missing_imports = True
 
diff --git a/swh/web/settings/production.py b/swh/web/settings/production.py
--- a/swh/web/settings/production.py
+++ b/swh/web/settings/production.py
@@ -32,6 +32,19 @@
 REST_FRAMEWORK["NUM_PROXIES"] = 2
 
 db_conf = swh_web_config["production_db"]
+if db_conf.get("name", "").startswith("postgresql://"):
+    # poor man's support for dsn connection string...
+    import psycopg2
+
+    with psycopg2.connect(db_conf.get("name")) as cnx:
+        dsn_dict = cnx.get_dsn_parameters()
+
+    db_conf["name"] = dsn_dict.get("dbname")
+    db_conf["host"] = dsn_dict.get("host")
+    db_conf["port"] = dsn_dict.get("port")
+    db_conf["user"] = dsn_dict.get("user")
+    db_conf["password"] = dsn_dict.get("password")
+
 
 # https://docs.djangoproject.com/en/1.10/ref/settings/#databases
 DATABASES = {