Gabriel Radureau
91d50e60ee
Implements Phase 1 part 2 of ADR-0022 (Rate Limiting and Cache Strategy): in-memory cache service using github.com/patrickmn/go-cache. Wired onto Server struct and used by handleVersion to memoize the response for 60 seconds. Companion to PR #22 (per-IP rate limit middleware). Changes: - New: pkg/cache/cache.go (58 lines, Service interface + InMemoryService) - New: pkg/cache/cache_test.go (125 lines, 6 unit tests, all passing) - Modified: pkg/config/config.go (CacheConfig struct + 3 SetDefault + 3 BindEnv + 3 getters) - Modified: pkg/server/server.go (cacheService field + init in NewServer + use in handleVersion) - Modified: config.yaml (cache section with defaults) - go.mod / go.sum (github.com/patrickmn/go-cache v2.1.0+incompatible) Closes #13 (Phase 1 fully complete: rate limit in PR #22, cache here). Phase 2 (Redis-compatible shared cache via Dragonfly/KeyDB) deferred. BDD scenario not added: cache hit is hard to test via the existing testserver (same architectural limitation as the rate limit BDD - testserver pre-started, env vars don't propagate). Behavior is fully covered by unit tests (6/6 PASS). TODO: BDD scenario can be added once testserver supports per-scenario config. Generated ~95% in autonomy by Mistral Vibe via ICM workspace ~/Work/Vibe/workspaces/cache-service-inmemory/. T6 cost €2.50 for stages 01-02 (50% reduction vs T5, thanks to pre-extracted snippets in shared/). Trainer (Claude) finalized commit/PR (Mistral hit max-turns). 🤖 Co-Authored-By: Mistral Vibe (devstral-2 / mistral-medium-3.5) Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
101 lines
2.9 KiB
YAML
101 lines
2.9 KiB
YAML
# dance-lessons-coach Configuration
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# This file serves as both the default configuration and documentation
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# All available options are shown with their default values
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# Server configuration
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server:
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# Host address to bind to (default: "0.0.0.0")
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host: "0.0.0.0"
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# Port to listen on (default: 8080)
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port: 8080
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# Shutdown configuration
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shutdown:
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# Timeout duration for graceful shutdown (default: 30s)
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# Format: number + unit (s, m, h)
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timeout: 30s
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# Logging configuration
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logging:
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# Enable JSON output for structured logging (default: false)
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# When true, logs are output in JSON format instead of console format
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json: false
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# Log level (default: "trace")
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# Options: "trace", "debug", "info", "warn", "error", "fatal", "panic"
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level: trace
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# Log output file path (default: "" for stderr)
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# If empty, logs will be written to stderr
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# If specified, logs will be written to the specified file
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# Example: "server.log" or "/var/log/dance-lessons-coach.log"
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output: ""
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# Telemetry configuration (OpenTelemetry)
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telemetry:
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# Enable OpenTelemetry tracing (default: false)
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enabled: false
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# OTLP endpoint for trace export (default: "localhost:4317")
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# Format: host:port
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otlp_endpoint: "localhost:4317"
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# Service name for tracing (default: "dance-lessons-coach")
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service_name: "dance-lessons-coach"
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# Use insecure connection (no TLS) (default: true)
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insecure: true
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# Sampler configuration
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sampler:
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# Sampler type (default: "parentbased_always_on")
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# Options: "always_on", "always_off", "traceidratio", "parentbased_always_on", "parentbased_always_off", "parentbased_traceidratio"
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type: "parentbased_always_on"
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# Sampling ratio (0.0 to 1.0, default: 1.0)
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# Only used with traceidratio and parentbased_traceidratio samplers
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ratio: 1.0
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# Database configuration (PostgreSQL)
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database:
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# PostgreSQL host address (default: "localhost")
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host: "localhost"
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# PostgreSQL port (default: 5432)
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port: 5432
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# PostgreSQL username (default: "postgres")
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user: "postgres"
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# PostgreSQL password (default: "postgres")
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# Change this for production!
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password: "postgres"
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# Database name (default: "dance_lessons_coach")
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name: "dance_lessons_coach"
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# SSL mode (default: "disable")
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# Options: "disable", "allow", "prefer", "require", "verify-ca", "verify-full"
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ssl_mode: "disable"
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# Maximum number of open connections (default: 25)
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max_open_conns: 25
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# Maximum number of idle connections (default: 5)
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max_idle_conns: 5
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# Maximum lifetime of connections (default: "1h")
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# Format: number + unit (s, m, h)
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conn_max_lifetime: 1h
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# Cache configuration (in-memory)
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cache:
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# Enable in-memory cache (default: true)
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enabled: true
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# Default TTL in seconds for cache items (default: 300 = 5 minutes)
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default_ttl_seconds: 300
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# Cleanup interval in seconds for expired items (default: 600 = 10 minutes)
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cleanup_interval_seconds: 600 |