dynamic database

Dockerfile

@@ -4,6 +4,8 @@ ENV PYTHONFAULTHANDLER=1
 
 ENV PYTHONUNBUFFERED=1
 
+ENV MODE="DEVELOPMENT"
+
 RUN mkdir -p /app
 
 COPY requirements.txt /app

Dockerfile.prod

@@ -4,6 +4,8 @@ ENV PYTHONFAULTHANDLER=1
 
 ENV PYTHONUNBUFFERED=1
 
+ENV MODE="PRODUCTION"
+
 RUN mkdir -p /app
 
 COPY requirements.txt /app

app/models/auto.py

@@ -1,7 +1,7 @@
 from sqlalchemy import Column, Integer,\
-        DECIMAL, Text,\
-        VARCHAR, TIMESTAMP, Date, INTEGER
-from datetime import datetime, timezone
+        DECIMAL, TEXT,\
+        VARCHAR, TIMESTAMP, DATE, INTEGER
+from datetime import datetime
 from database import  Base
 
 

config.py

@@ -0,0 +1,20 @@
+import os
+
+def load_config(mode=os.environ.get('MODE')):
+
+    try:
+        print(f"mode is {mode}")
+        if mode == 'PRODUCTION':
+          
+            from settings_prod import ApplicationConfig
+            return ApplicationConfig
+        elif mode == 'DEVELOPMENT':
+        
+            from settings_local import ApplicationConfig
+            return ApplicationConfig
+        else:
+            pass
+
+    except ImportError:
+        from settings_local import ApplicationConfig
+        return ApplicationConfig

database.py

@@ -2,14 +2,19 @@ from sqlalchemy import create_engine
 from sqlalchemy.engine import URL
 from sqlalchemy.orm import sessionmaker
 from sqlalchemy.orm import declarative_base
+from config import load_config
+
+
+ApplicationConfig = load_config()
+
 
 url = URL.create(
     drivername="postgresql",
-    username="postgres",
-    password="password",
-    host="192.168.1.204",
-    database="eamco",
-    port=5432
+    username=ApplicationConfig.POSTGRES_USERNAME,
+    password=ApplicationConfig.POSTGRES_PW,
+    host=ApplicationConfig.POSTGRES_SERVER,
+    database=ApplicationConfig.POSTGRES_DBNAME00,
+    port=ApplicationConfig.POSTGRES_PORT
 )
 
 engine = create_engine(url)

main.py

@@ -1,6 +1,11 @@
 from fastapi import FastAPI
 from app.routers import delivery
 from fastapi.middleware.cors import CORSMiddleware
+from config import load_config
+
+
+ApplicationConfig = load_config()
+
 
 app = FastAPI()
 

settings_local.py

@@ -0,0 +1,19 @@
+
+
+class ApplicationConfig:
+    """
+    Basic Configuration for a generic User
+    """
+    CURRENT_SETTINGS = 'LOCAL'
+    # databases info
+    POSTGRES_USERNAME = 'postgres'
+    POSTGRES_PW = 'password'
+    POSTGRES_SERVER = '192.168.1.204'
+    POSTGRES_PORT = '5432'
+    POSTGRES_DBNAME00 = 'eamco'
+    SQLALCHEMY_DATABASE_URI = "postgresql+psycopg2://{}:{}@{}/{}".format(POSTGRES_USERNAME,
+                                                                           POSTGRES_PW,
+                                                                           POSTGRES_SERVER,
+                                                                           POSTGRES_DBNAME00
+                                                                           )
+  

settings_prod.py

@@ -0,0 +1,17 @@
+class ApplicationConfig:
+    """
+    Basic Configuration for a generic User
+    """
+    CURRENT_SETTINGS = 'LOCAL'
+    # databases info
+    POSTGRES_USERNAME = 'postgres'
+    POSTGRES_PW = 'password'
+    POSTGRES_SERVER = '192.168.1.204'
+    POSTGRES_PORT = '5432'
+    POSTGRES_DBNAME00 = 'auburnoil'
+    SQLALCHEMY_DATABASE_URI = "postgresql+psycopg2://{}:{}@{}/{}".format(POSTGRES_USERNAME,
+                                                                           POSTGRES_PW,
+                                                                           POSTGRES_SERVER,
+                                                                           POSTGRES_DBNAME00
+                                                                           )
+    SQLALCHEMY_BINDS = {'eamco': SQLALCHEMY_DATABASE_URI}