dynamic database

Dockerfile

@@ -4,14 +4,20 @@ ENV PYTHONFAULTHANDLER=1
 
 ENV PYTHONUNBUFFERED=1
 
+ENV MODE="DEVELOPMENT"
+
 RUN mkdir -p /app
 
 COPY requirements.txt /app
 
 WORKDIR /app
+
 RUN pip3 install setuptools
+
 RUN pip3 install fastapi
+
 RUN pip3 install  sqlalchemy
+
 RUN pip3 install -r requirements.txt
 
 EXPOSE 8000

Dockerfile.prod

@@ -4,12 +4,16 @@ ENV PYTHONFAULTHANDLER=1
 
 ENV PYTHONUNBUFFERED=1
 
+ENV MODE="PRODUCTION"
+
 RUN mkdir -p /app
 
 COPY requirements.txt /app
 
 WORKDIR /app
+
 RUN pip3 install setuptools
+
 RUN pip3 install -r requirements.txt
 
 EXPOSE 8001

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

@@ -3,13 +3,20 @@ 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)

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}