Environment Variables

Project

project name: observer
package name: github.com/lbrty/observer
go version: 1.25.*
default UI language: Kyrgyz Latin (ky)

Backend environment variables

Server

Variable	Default	Description
`SERVER_HOST`	`localhost`	Bind address
`SERVER_PORT`	`9000`	Listen port
`SERVER_READ_TIMEOUT`	`30s`	HTTP read timeout
`SERVER_WRITE_TIMEOUT`	`30s`	HTTP write timeout

Database

Variable	Default	Description
`DATABASE_DSN`	`""`	PostgreSQL connection string

JWT

Variable	Default	Description
`JWT_PRIVATE_KEY_PATH`	`keys/jwt_rsa`	RSA private key path
`JWT_PUBLIC_KEY_PATH`	`keys/jwt_rsa.pub`	RSA public key path
`JWT_ACCESS_TTL`	`15m`	Access token lifetime
`JWT_REFRESH_TTL`	`168h`	Refresh token lifetime (7 days)
`JWT_MFA_TEMP_TTL`	`5m`	MFA pending token lifetime
`JWT_ISSUER`	`observer`	Token issuer claim

Variable	Default	Description
`COOKIE_DOMAIN`	`""` (current host)	Cookie domain
`COOKIE_SECURE`	`false`	Set `true` in production (HTTPS)
`COOKIE_SAME_SITE`	`lax`	`lax`, `strict`, or `none`
`COOKIE_MAX_AGE`	`2h`	Cookie lifetime

CORS

Variable	Default	Description
`CORS_ORIGINS`	`http://localhost:5173`	Comma-separated allowed origins

Storage

Variable	Default	Description
`STORAGE_PATH`	`data/uploads`	Local filesystem root (used when `STORAGE_BACKEND=local`)
`STORAGE_BACKEND`	`local`	Storage backend: `local` or `s3`
`S3_ENDPOINT`	`""`	S3 endpoint URL (empty = AWS default)
`S3_BUCKET`	`""`	S3 bucket name (required when backend is `s3`)
`S3_REGION`	`us-east-1`	S3 region
`S3_ACCESS_KEY`	`""`	AWS access key (optional — falls back to SDK chain)
`S3_SECRET_KEY`	`""`	AWS secret key (optional — falls back to SDK chain)

Other

Variable	Default	Description
`DEV_MODE`	`false`	Enable development mode
`LOG_LEVEL`	`info`	Log level
`REDIS_URL`	`redis://localhost:6379/0`	Redis connection URL
`SWAGGER_ENABLED`	`false`	Enable Swagger UI at `/swagger/`
`RATE_LIMIT_LOGIN`	`10`	Max login attempts per minute
`RATE_LIMIT_REGISTER`	`5`	Max registration attempts per minute
`SENTRY_DSN`	`""`	Sentry DSN (empty disables Sentry)
`SENTRY_TRACES_SAMPLE_RATE`	`0.1`	Sentry performance traces sample rate

Frontend environment variables

Variable	Default	Description
`VITE_API_URL`	`http://localhost:9000`	Backend API base URL

Next