- Docker: Move environment variables out of the docker-compose.yml and added a command to the Dockerfile to copy .env_template to .env

Author: paschmann

docker-compose.yml

@@ -17,49 +17,6 @@ services:
   build:
    context: ./server
    dockerfile: Dockerfile
-  environment:
-   - NODE_ENV=prod
-
-   # Postgres DB Connection Parameters
-   - DB_HOST=db
-   - DB_NAME=postgres
-   - DB_PORT=5432
-   - DB_USERNAME=postgres
-   - DB_PASSWORD=password
-   - DB_SCHEMA=public
-
-   # Node/Express API Port
-   - API_PORT=8000
-   - TOKEN_SECRET=myappsecret
-
-   # Image comparison options
-   - PIXELMATCH_PROCESSING_THRESHOLD=0.0
-   - PIXELMATCH_OUTPUT_ALPHA=0.6
-   - CAPTURE_IMAGE_HEIGHT=5000
-   - CAPTURE_IMAGE_WIDTH=1024
-
-   # Option for saving screenshots locally or to AWS S3
-   - FILESYSTEM=LOCAL
-   - DOMAIN=api
-   
-   # Required if FILESYSTEM=S3
-   - S3_BUCKET=
-   - AWS_ACCESS_KEY_ID=
-   - AWS_SECRET_ACCESS_KEY=
-  
-   # Mail Notification Options
-   - MAILSYSTEM=SMTP #SMTP or SES
-   - EMAIL_FROM=myemail@email.com
-
-   # Required if MAILSYSTEM=S3
-   - SES_ACCESS_KEY=
-   - SES_ACCESS_SECRET=
-
-   # Required if MAILSYSTEM=SMTP
-   - SMTP_HOST=smtp.mailgun.org
-   - SMTP_PORT=587
-   - SMTP_USER=
-   - SMTP_PASSWORD=
 
   ports:
    - 8000:8000

server/.env_template

@@ -1,3 +1,5 @@
+NODE_ENV=prod
+
 # Postgres DB Connection Parameters
 DB_HOST=db
 DB_NAME=postgres

server/Dockerfile

@@ -16,5 +16,6 @@ RUN set -x \
 
 WORKDIR /app
 COPY . .
+COPY /.env_template .env
 RUN npm i --production
 CMD ["pm2-runtime", "pm2.config.js"]