# Service dependencies # You may set REDIS_URL instead for more advanced options REDIS_HOST=redis REDIS_PORT=6379 # You may set DATABASE_URL instead for more advanced options DB_HOST=db DB_USER=postgres DB_NAME=postgres DB_PASS= DB_PORT=5432 # Federation LOCAL_DOMAIN=example.com LOCAL_HTTPS=true # Use this only if you need to run mastodon on a different domain than the one used for federation. # You can read more about this option on https://github.com/tootsuite/documentation/blob/master/Running-Mastodon/Serving_a_different_domain.md # DO *NOT* USE THIS UNLESS YOU KNOW *EXACTLY* WHAT YOU ARE DOING. # WEB_DOMAIN=mastodon.example.com # Application secrets # Generate each with the `rake secret` task (`docker-compose run --rm web rake secret` if you use docker compose) PAPERCLIP_SECRET= SECRET_KEY_BASE= OTP_SECRET= # Registrations # Single user mode will disable registrations and redirect frontpage to the first profile # SINGLE_USER_MODE=true # Prevent registrations with following e-mail domains # EMAIL_DOMAIN_BLACKLIST=example1.com|example2.de|etc # Only allow registrations with the following e-mail domains # EMAIL_DOMAIN_WHITELIST=example1.com|example2.de|etc # Optionally change default language # DEFAULT_LOCALE=de # E-mail configuration # Note: Mailgun and SparkPost (https://sparkpo.st/smtp) each have good free tiers # If you want to use an SMTP server without authentication (e.g local Postfix relay) # then set SMTP_AUTH_METHOD and SMTP_OPENSSL_VERIFY_MODE to 'none' and # *comment* SMTP_LOGIN and SMTP_PASSWORD (leaving them blank is not enough). SMTP_SERVER=smtp.mailgun.org SMTP_PORT=587 SMTP_LOGIN= SMTP_PASSWORD= SMTP_FROM_ADDRESS=notifications@example.com #SMTP_DOMAIN= # defaults to LOCAL_DOMAIN #SMTP_DELIVERY_METHOD=smtp # delivery method can also be sendmail #SMTP_AUTH_METHOD=plain #SMTP_CA_FILE=/etc/ssl/certs/ca-certificates.crt #SMTP_OPENSSL_VERIFY_MODE=peer #SMTP_ENABLE_STARTTLS_AUTO=true # Optional user upload path and URL (images, avatars). Default is :rails_root/public/system. If you set this variable, you are responsible for making your HTTP server (eg. nginx) serve these files. # PAPERCLIP_ROOT_PATH=/var/lib/mastodon/public-system # PAPERCLIP_ROOT_URL=/system # Optional asset host for multi-server setups # CDN_HOST=assets.example.com # S3 (optional) # S3_ENABLED=true # S3_BUCKET= # AWS_ACCESS_KEY_ID= # AWS_SECRET_ACCESS_KEY= # S3_REGION= # S3_PROTOCOL=http # S3_HOSTNAME=192.168.1.123:9000 # S3 (Minio Config (optional) Please check Minio instance for details) # S3_ENABLED=true # S3_BUCKET= # AWS_ACCESS_KEY_ID= # AWS_SECRET_ACCESS_KEY= # S3_REGION= # S3_PROTOCOL=https # S3_HOSTNAME= # S3_ENDPOINT= # S3_SIGNATURE_VERSION= # Optional alias for S3 if you want to use Cloudfront or Cloudflare in front # S3_CLOUDFRONT_HOST= # Streaming API integration # STREAMING_API_BASE_URL= # Advanced settings # If you need to use pgBouncer, you need to disable prepared statements: # PREPARED_STATEMENTS=false # Cluster number setting for streaming API server. # If you comment out following line, cluster number will be `numOfCpuCores - 1`. STREAMING_CLUSTER_NUM=1