simplify postgres connection parameters as a single string

capsulflask/__init__.py

@@ -38,10 +38,13 @@ app.config.from_mapping(
   SPOKE_HOST_TOKEN=os.environ.get("SPOKE_HOST_TOKEN", default="default"),
   HUB_TOKEN=os.environ.get("HUB_TOKEN", default="default"),
 
-  DATABASE_URL=os.environ.get("DATABASE_URL", default="sql://postgres:dev@localhost:5432/postgres"),
-
   # https://www.postgresql.org/docs/9.1/libpq-ssl.html#LIBPQ-SSL-SSLMODE-STATEMENTS
-  DATABASE_SSLMODE=os.environ.get("DATABASE_SSLMODE", default="prefer"), 
+  # https://stackoverflow.com/questions/56332906/where-to-put-ssl-certificates-when-trying-to-connect-to-a-remote-database-using
+  # TLS example: sslmode=verify-full sslrootcert=letsencrypt-root-ca.crt host=db.example.com port=5432 user=postgres password=dev dbname=postgres
+  POSTGRES_CONNECTION_PARAMETERS=os.environ.get(
+    "POSTGRES_CONNECTION_PARAMETERS", 
+    default="host=localhost port=5432 user=postgres password=dev dbname=postgres"
+  ),
 
   DATABASE_SCHEMA=os.environ.get("DATABASE_SCHEMA", default="public"),
 

capsulflask/db.py

@@ -1,7 +1,6 @@
 import psycopg2
 import re
 import sys
-from urllib.parse import urlparse
 from os import listdir
 from os.path import isfile, join
 from psycopg2 import pool
@@ -12,17 +11,11 @@ from capsulflask.db_model import DBModel
 from capsulflask.shared import my_exec_info_message
 
 def init_app(app):
-  databaseUrl = urlparse(app.config['DATABASE_URL'])
 
   app.config['PSYCOPG2_CONNECTION_POOL'] = psycopg2.pool.SimpleConnectionPool(
     1,
     20,
-    user = databaseUrl.username,
-    password = databaseUrl.password,
-    host = databaseUrl.hostname,
-    port = databaseUrl.port,
-    database = databaseUrl.path[1:],
-    sslmode = app.config['DATABASE_SSLMODE']
+    app.config['POSTGRES_CONNECTION_PARAMETERS']
   )
 
   schemaMigrations = {}