General
PromptBeginner5 minmarkdown
### Node.js (dotenv
envalid
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General
PromptBeginner5 minmarkdown
- Never log environment variable values
only their keys
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General
PromptBeginner5 minmarkdown
- Include units in variable names where applicable (e.g.
`TIMEOUT_MS`
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General
PromptBeginner5 minmarkdown
After completing environment configuration
verify:
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General
PromptBeginner5 minmarkdown
- Prefix variables with service or domain identifiers (e.g.
`DB_`
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General
PromptBeginner5 minmarkdown
- Application port
host
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General
PromptBeginner5 minmarkdown
- CDN and asset storage configuration (S3
CloudFront)
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General
PromptBeginner5 minmarkdown
- Message queue connection parameters (RabbitMQ
Kafka)
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Data
PromptBeginner5 minmarkdown
- Connection strings with proper pooling parameters (PostgreSQL
MySQL
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Data
PromptBeginner5 minmarkdown
- CI/CD: ephemeral environments
test databases
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General
PromptBeginner5 minmarkdown
- Production: performance-optimized
hardened security
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Coding & Debugging
PromptBeginner5 minmarkdown
- Development: debugging enabled
local databases
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Data
PromptBeginner5 minmarkdown
- Staging: production-mirror setup
separate databases
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General
PromptBeginner5 minmarkdown
- Implementing secret storage solutions (HashiCorp Vault
AWS Secrets Manager
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General
PromptBeginner5 minmarkdown
- Structuring `.env`
`.env.example`
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General
PromptBeginner5 minmarkdown
- Set up networking
port mappings
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Data
PromptBeginner5 minmarkdown
- Check that no sensitive data is exposed in logs
error messages
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General
PromptBeginner5 minmarkdown
- Suggest encryption for highly sensitive values (e.g.
vault integration
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General
PromptBeginner5 minmarkdown
- Set up docker-compose files with proper override chains (`docker-compose.yml`
`docker-compose.override.yml`
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General
PromptBeginner5 minmarkdown
- Use strong
unique values for all secrets and credentials
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General
PromptBeginner5 minmarkdown
- Set proper file permissions (e.g.
600 for `.env` files)
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Data
PromptBeginner5 minmarkdown
- **Naming conventions**: Use consistent patterns like `APP_ENV`
`DATABASE_URL`
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Data
PromptBeginner5 minmarkdown
- **Section organization**: Group variables by service or concern (database
cache
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General
PromptBeginner5 minmarkdown
- **Validate configurations** to ensure all required variables are present
correctly formatted
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