env: centralize env loading to repo root; add .env.example; compose uses env_file

.env.example

@@ -0,0 +1,16 @@
+# Copy to .env and fill in values
+
+# Google API key for generative model extraction
+GOOGLE_API_KEY=
+
+# Flask / App settings (optional overrides)
+APP_ENV=development
+APP_VERSION=0.4.0
+
+# Database (if used via environment)
+POSTGRES_HOST=db
+POSTGRES_PORT=5432
+POSTGRES_DB=ploughshares
+POSTGRES_USER=ploughshares
+POSTGRES_PASSWORD=ploughshares_password
+

README.md

@@ -49,6 +49,7 @@ This project uses Woodpecker CI for continuous integration and deployment. The p
 
 - `docker-compose.yml` - Default configuration for quick setup
 - `docker-compose.dev.yml` - Development configuration with live reloading
+- `.env` - Environment variables (copy from `.env.example`)
 - `stack.production.yml` - Production deployment with Docker Swarm
 - `stack.staging.yml` - Staging deployment with Docker Swarm
 - `.woodpecker.yml` - CI/CD pipeline configuration

docker-compose.dev.yml

@@ -2,6 +2,8 @@ version: '3.8'
 
 services:
   app:
+    env_file:
+      - .env
     build:
       context: ./docker/ploughshares
       dockerfile: Dockerfile
@@ -49,6 +51,8 @@ services:
     restart: unless-stopped
 
   crawler_google_alerts:
+    env_file:
+      - .env
     build:
       context: ./docker/crawler-google-alerts
     image: ploughshares-crawler-google-alerts:dev
@@ -63,6 +67,8 @@ services:
     restart: unless-stopped
 
   crawler_marketline:
+    env_file:
+      - .env
     build:
       context: ./docker/crawler
     image: ploughshares-crawler-marketline:dev

docker-compose.yml

@@ -1,5 +1,7 @@
 services:
   app:
+    env_file:
+      - .env
     build:
       context: ./docker/ploughshares
       platforms:
@@ -41,6 +43,8 @@ services:
     restart: unless-stopped
 
   crawler_google_alerts:
+    env_file:
+      - .env
     build:
       context: ./docker/crawler-google-alerts
     image: ploughshares-crawler-google-alerts:latest
@@ -53,6 +57,8 @@ services:
     restart: unless-stopped
 
   crawler_marketline:
+    env_file:
+      - .env
     build:
       context: ./docker/crawler
     image: ploughshares-crawler-marketline:latest

docker/crawler-google-alerts/main.py

@@ -5,11 +5,11 @@ import json
 import os
 import re
 import time
-from dotenv import load_dotenv
+from dotenv import load_dotenv, find_dotenv
 import requests
 
 from get_all_feed_contents import get_all_feed_contents
-load_dotenv()
+load_dotenv(find_dotenv())
 
 GOOGLE_API_KEY = os.environ.get("GOOGLE_API_KEY")
 

docker/crawler/analyze.py

@@ -15,9 +15,9 @@ import json
 import os
 import re
 import time
-from dotenv import load_dotenv
+from dotenv import load_dotenv, find_dotenv
 
-load_dotenv()
+load_dotenv(find_dotenv())
 
 GOOGLE_API_KEY = os.environ.get("GOOGLE_API_KEY")