run-kit 0.7.1

Universal multi-language runner and smart REPL
Documentation 
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# Run 2.0 Microservices Example
#
# This demonstrates Run 2.0 replacing Docker Compose for microservices.
# All services are WASI components running in a single process.
# Inter-service calls are function calls, not HTTP.

[project]
name = "microservices-example"
version = "1.0.0"
description = "Microservices with Run 2.0 - no Docker required"

[dependencies]
"wasi:http" = "0.2.0"
"wasi:io" = "0.2.0"
"wasi:filesystem" = "0.2.0"
"wasi:random" = "0.2.0"
"wasi:clocks" = "0.2.0"

# ==============================================================================
# Services (all WASI components)
# ==============================================================================

[components.api-gateway]
source = "services/api-gateway/src/lib.rs"
language = "rust"
wit = "wit/api.wit"
capabilities = [
    "net:listen:8080",
    "stdout",
    "stderr",
    "clock"
]

[components.auth-service]
source = "services/auth/src/lib.rs"
language = "rust"
wit = "wit/api.wit"
capabilities = [
    "random",
    "clock",
    "stdout"
]

[components.user-service]
source = "services/users/src/lib.rs"
language = "rust"
wit = "wit/api.wit"
capabilities = [
    "fs:read:/data/users",
    "fs:write:/data/users",
    "stdout"
]
dependencies = ["auth-service"]

# Order and notification services are placeholders
# Add implementations as needed
[components.order-service]
source = "services/orders/src/lib.rs"
language = "rust"
wit = "wit/api.wit"
enabled = false  # Not yet implemented
capabilities = [
    "fs:read:/data/orders",
    "fs:write:/data/orders",
    "stdout"
]
dependencies = ["auth-service", "user-service"]

[components.notification-service]
source = "services/notifications/src/lib.rs"
language = "rust"
wit = "wit/api.wit"
enabled = false  # Not yet implemented
capabilities = [
    "net:connect:smtp.example.com:587",
    "stdout"
]
dependencies = ["user-service"]

# ==============================================================================
# Docker Fallback (for databases - not yet available as WASM)
# ==============================================================================

[bridge.postgres]
# Falls back to Docker only if needed
image = "postgres:15"
env = { POSTGRES_PASSWORD = "dev-password" }
ports = { 5432 = 5432 }
# This will run in Docker, transparent to components

[bridge.redis]
image = "redis:7"
ports = { 6379 = 6379 }

# ==============================================================================
# Development
# ==============================================================================

[dev]
hot_reload = true
port = 8080
verbose = false
watch = [
    "services/**/*.rs",
    "services/**/*.wit"
]
services = ["api-gateway", "auth-service", "user-service"]

# ==============================================================================
# Build
# ==============================================================================

[build]
output_dir = "dist"
target = "wasm32-wasip1"
opt_level = "release"