add new installer for alpha

installer/alpha/configs/config.yaml.template

@@ -0,0 +1,64 @@
+# AtlasOS - Calypso API Configuration Template
+# This file will be copied to /etc/calypso/config.yaml during installation
+# Environment variables from /etc/calypso/secrets.env will be used for sensitive values
+
+server:
+  port: 8080
+  host: "0.0.0.0"
+  read_timeout: 15s
+  write_timeout: 15s
+  idle_timeout: 60s
+  # Response caching configuration
+  cache:
+    enabled: true              # Enable response caching
+    default_ttl: 5m            # Default cache TTL (5 minutes)
+    max_age: 300               # Cache-Control max-age in seconds (5 minutes)
+
+database:
+  host: "localhost"
+  port: 5432
+  user: "calypso"
+  password: ""  # Set via CALYPSO_DB_PASSWORD environment variable
+  database: "calypso"
+  ssl_mode: "disable"
+  # Connection pool optimization
+  max_connections: 25
+  max_idle_conns: 5
+  conn_max_lifetime: 5m
+
+auth:
+  jwt_secret: ""  # Set via CALYPSO_JWT_SECRET environment variable
+  token_lifetime: 24h
+  argon2:
+    memory: 65536      # 64 MB
+    iterations: 3
+    parallelism: 4
+    salt_length: 16
+    key_length: 32
+
+logging:
+  level: "info"        # debug, info, warn, error
+  format: "json"       # json or text
+
+# CORS configuration
+cors:
+  allowed_origins:
+    - "http://localhost:3000"
+    - "http://localhost:5173"
+  allowed_methods:
+    - "GET"
+    - "POST"
+    - "PUT"
+    - "DELETE"
+    - "PATCH"
+  allowed_headers:
+    - "Content-Type"
+    - "Authorization"
+  allow_credentials: true
+
+# Rate limiting
+rate_limit:
+  enabled: true
+  requests_per_minute: 100
+  authenticated_requests_per_minute: 200
+