Merge pull request #72 from k2patel/env-variables

Updating config file to look for env. variable, if not available use …

config.json

@@ -1 +1 @@
-{"TITLE": "pyShelf E-Book Server", "VERSION": "0.7.0", "BOOKPATH": "", "DB_HOST": "localhost", "DB_PORT": "5432", "DATABASE": "pyshelf", "USER": "pyshelf", "PASSWORD": "pyshelf", "BOOKSHELF": "data/shelf.json", "ALLOWED_HOSTS": "*", "SECRET": "", "BUILD_MODE": "production"}
+{"TITLE": "pyShelf E-Book Server", "VERSION": "0.7.0", "BOOKPATH": "/books", "DB_HOST": "localhost", "DB_PORT": "5432", "DATABASE": "pyshelf", "USER": "pyshelf", "PASSWORD": "pyshelf", "BOOKSHELF": "data/shelf.json", "ALLOWED_HOSTS": ["localhost", "127.0.0.1", "[::1]", "0.0.0.0"], "SECRET": "", "BUILD_MODE": "production"}

docker-compose.yml

@@ -3,15 +3,16 @@ version: "3.7"
 services:
     db:
         image: "postgres"
+        restart: always
         environment:
             - "POSTGRES_PASSWORD=pyshelf"
             - "POSTGRES_USER=pyshelf"
             - "POSTGRES_DB=pyshelf"
         volumes:
             - "db_data:/var/lib/postgresql/data/"
-
     pyshelf:
         image: "pyshelf/pyshelf"
+        restart: always
         ports: 
             - "8000:8000"
             - "1337:1337"
@@ -19,6 +20,5 @@ services:
             - "${LOCAL_BOOK_DIR}:/books"
         depends_on:
             - db
-
 volumes:
     db_data:

docker/config.json

@@ -1,14 +1 @@
-{
+{"TITLE": "pyShelf E-Book Server", "VERSION": "0.7.0", "BOOKPATH": "/books", "DB_HOST": "localhost", "DB_PORT": "5432", "DATABASE": "pyshelf", "USER": "pyshelf", "PASSWORD": "pyshelf", "BOOKSHELF": "data/shelf.json", "ALLOWED_HOSTS": ["localhost", "127.0.0.1", "[::1]", "0.0.0.0"], "SECRET": "", "BUILD_MODE": "production"}
-  "TITLE": "pyShelf E-Book Server",
-  "VERSION": "0.6.0 Docker",
-  "BOOKPATH": "/books",
-  "DB_HOST": "db",
-  "DB_PORT": "5432",
-  "DATABASE": "pyshelf",
-  "USER": "pyshelf",
-  "PASSWORD": "pyshelf",
-  "BOOKSHELF": "data/shelf.json",
-  "ALLOWED_HOSTS": "*",
-  "SECRET": "",
-  "BUILD_MODE": "production"
-}

src/backend/lib/config.py

@@ -1,7 +1,7 @@
 import json
 import pathlib
 import re
-
+import os
 from loguru import logger
 
 
@@ -14,6 +14,7 @@ class Config:
         Initialize main configuration options
         """
         self.root = root
+        env = os.environ.copy()
         self._fp = "config.json"
         self._cp = pathlib.Path.joinpath(root, self._fp)
         self._data = self.open_file()
@@ -21,23 +22,23 @@ class Config:
             self.logger
         except AttributeError:
             self.logger = self.get_logger()
-        self.book_path = self._data["BOOKPATH"]
+        self.book_path = env.get("BOOKPATH", self._data["BOOKPATH"])
-        self.TITLE = self._data["TITLE"]
+        self.TITLE = env.get("TITLE", self._data["TITLE"])
-        self.VERSION = self._data["VERSION"]
+        self.VERSION = env.get("VERSION", self._data["VERSION"])
         self.TITLE = self.TITLE + " ver " + self.VERSION
-        self.book_shelf = self._data["BOOKSHELF"]
+        self.book_shelf = env.get("BOOKSHELF", self._data["BOOKSHELF"])
-        self.catalogue_db = self._data["DATABASE"]
+        self.catalogue_db = env.get("DATABASE", self._data["DATABASE"])
         self.user = self._data["USER"]
         self.password = self._data["PASSWORD"]
-        self.db_host = self._data["DB_HOST"]
+        self.db_host = env.get("DB_HOST", self._data["DB_HOST"])
-        self.db_port = self._data["DB_PORT"]
+        self.db_port = env.get("DB_PORT", self._data["DB_PORT"])
         self.file_array = [self.book_shelf]
         self.auto_scan = True
-        self.allowed_hosts = self._data["ALLOWED_HOSTS"]
+        self.allowed_hosts = env.get("ALLOWED_HOSTS", self._data["ALLOWED_HOSTS"])
-        self.db_user = self._data["USER"]
+        self.db_user = env.get("USER", self._data["USER"])
-        self.db_pass = self._data["PASSWORD"]
+        self.db_pass = env.get("PASSWORD", self._data["PASSWORD"])
-        self.SECRET = self._data["SECRET"]
+        self.SECRET = env.get("SECRET", self._data["SECRET"])
-        self.build_mode = self._data["BUILD_MODE"]
+        self.build_mode = env.get("BUILD_MODE", self._data["BUILD_MODE"])
 
     def get_logger(self):
         _logger = logger