# Service dependencies
# You may set REDIS_URL instead for more advanced options
# You may also set REDIS_NAMESPACE to share Redis between multiple Mastodon servers
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
# Note: Changing LOCAL_DOMAIN or LOCAL_HTTPS at a later time will cause unwanted side effects.
# LOCAL_DOMAIN should *NOT* contain the protocol part of the domain e.g https://example.com.
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
# Use this if you want to have several aliases handler@example1.com
# handler@example2.com etc. for the same user. LOCAL_DOMAIN should not
# be added. Comma separated values
# ALTERNATE_DOMAINS=example1.com,example2.com
# Application secrets
# Generate each with the `RAILS_ENV=production bundle exec rake secret` task (`docker-compose run --rm web rake secret` if you use docker compose)
PAPERCLIP_SECRET=
SECRET_KEY_BASE=
OTP_SECRET=
# VAPID keys (used for push notifications
# You can generate the keys using the following command (first is the private key, second is the public one)
# You should only generate this once per instance. If you later decide to change it, all push subscription will
# be invalidated, requiring the users to access the website again to resubscribe.
#
# Generate with `RAILS_ENV=production bundle exec rake mastodon:webpush:generate_vapid_key` task (`docker-compose run --rm web rake mastodon:webpush:generate_vapid_key` if you use docker compose)
#
# For more information visit https://rossta.net/blog/using-the-web-push-api-with-vapid.html
VAPID_PRIVATE_KEY=
VAPID_PUBLIC_KEY=
# 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
#SMTP_TLS=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=https://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=
# Swift (optional)
# SWIFT_ENABLED=true
# SWIFT_USERNAME=
# For Keystone V3, the value for SWIFT_TENANT should be the project name
# SWIFT_TENANT=
# SWIFT_PASSWORD=
# Keystone V2 and V3 URLs are supported. Use a V3 URL if possible to avoid
# issues with token rate-limiting during high load.
# SWIFT_AUTH_URL=
# SWIFT_CONTAINER=
# SWIFT_OBJECT_URL=
# SWIFT_REGION=
# Defaults to 'default'
# SWIFT_DOMAIN_NAME=
# Defaults to 60 seconds. Set to 0 to disable
# SWIFT_CACHE_TTL=
# 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
# Docker mastodon user
# If you use Docker, you may want to assign UID/GID manually.
# UID=1000
# GID=1000
# Maximum allowed character count
# MAX_TOOT_CHARS=500
