Configuration

r8r can be configured via r8r.toml or environment variables.

r8r.toml

[server]
host = "0.0.0.0"
port = 3000
request_timeout = "30s"

[workflows]
directory = "./workflows"
hot_reload = true

[logging]
level = "info"
format = "json"  # json | pretty

[nodes]
# Custom node directories
custom = ["./nodes"]

[integrations]
[integrations.slack]
token = "${SLACK_TOKEN}"

[integrations.postgres]
url = "${DATABASE_URL}"

[integrations.redis]
url = "redis://localhost:6379"

Server options

Option	Default	Description
host	"0.0.0.0"	Bind address
port	3000	HTTP port
request_timeout	"30s"	Request timeout
max_body_size	"10MB"	Max request body size
workers	num_cpus	Worker threads

Workflow options

Option	Default	Description
directory	"./workflows"	Workflows directory
hot_reload	true	Auto-reload on change
extensions	["yaml", "yml"]	Valid file extensions

Logging options

Option	Default	Description
level	"info"	Log level (trace/debug/info/warn/error)
format	"pretty"	Output format
output	"stdout"	Log destination

Environment variables

All config options can be set via environment:

R8R_SERVER_PORT=8080
R8R_WORKFLOWS_HOT_RELOAD=false
R8R_LOGGING_LEVEL=debug

Use ${VAR} syntax in config:

[integrations.slack]
token = "${SLACK_TOKEN}"

Profile-specific config

Override settings per environment:

# Default settings
[server]
port = 3000

[profile.production]
[profile.production.server]
port = 8080
host = "127.0.0.1"

[profile.production.logging]
level = "warn"
format = "json"

Activate profile:

R8R_PROFILE=production r8r run