Secrets can optionally be provided by the systemd LoadCredential directive. Example:
#   LoadCredential=secret_key:/var/lib/standardfile/secret_key.txt
#   LoadCredential=session.secret:/var/lib/standardfile/session_secret.txt

# Address to bind
address: "localhost:4565"
# Registrations are open when it is set to false.
no_registration: false
# Show real version in `GET /version'
show_real_version: false
# Database folder path; empty value means current directory. You need to init the db with standardfile init -c /etc/standardfile.yaml then make the db file writable for standardfile user. 
database_path: "/var/lib/standardfile/"
# Secret key used for JWT authentication (before 004 and 20200115)
# If missing, will be read from $CREDENTIALS_DIRECTORY/secret_key file
secret_key: ChangeThisWithASecretCode
# Session used for authentication (since 004 and 20200115)
session:
  # If missing, will be read from $CREDENTIALS_DIRECTORY/session.secret file
  secret: ChangeThisWithASecretCode
  access_token_ttl: 1440h # 60 days expressed in Golang's time.Duration format
  refresh_token_ttl: 8760h # 1 year