Browse Howto Guides by Tag
Auto-generated from each guide's frontmatter tags. Regenerate with composer howto:index. For the category view see the howto index.
ab-testing (1)
accept-header (2)
access-control (5)
- How to Build a Direct Messaging System with NENE2
- How to enforce resource ownership (IDOR prevention)
- How-to: Delegated Access Grants
- How-to: File Sharing API
- ファイルメタデータ管理・共有 API の実装ガイド
access-token (1)
activity-feed (1)
adapter (1)
adjustment (1)
admin (9)
- How to Add Admin Report Aggregation
- How to Add Data Masking
- How to Build System Announcement Management
- How-to: Coupon Discount Code API
- How-To: Document Template Engine
- How-to: Feedback Collection API
- How-to: Notification Queue API
- How-to: Order Management API
- ウェイティングリスト管理
admin-auth (4)
- How-To: Personal Secret Vault API
- How-to: Product Catalog API (ATK-01~12)
- How-to: Resource Reservation & Booking API
- How-To: Service Status Page API
aes-256-gcm (1)
aggregate (1)
aggregation (8)
- How to Add Admin Report Aggregation
- How-to: Aggregate Reporting API
- How-to: Event Analytics API
- How-to: Event Analytics API
- How-to: Expense Tracker API
- How-to: Expense Tracking API
- How-to: Feedback Collection API
- How-to: Leaderboard & Score Tracking API
ai-integration (1)
allowlist (2)
- How to Prevent SQL ORDER BY Injection
- How-to: Dynamic Sort & Filter with ORDER BY Injection Prevention
analytics (4)
- How-to: A/B Testing Framework
- How-to: Aggregate Reporting API
- How-to: Event Analytics API
- How-to: Event Analytics API
announcement (1)
api-exposure (1)
api-key (1)
api-keys (2)
append-only (6)
- Content Versioning の実装ガイド
- Event Sourcing (Basic)
- How-to: Credit Ledger API
- How-to: Document Versioning API
- How-to: Event Sourcing & CQRS API
- How-to: Event Sourcing Ledger
approval (5)
- How to Add a Multi-step Workflow
- How-to: Approval Workflow API
- How-to: Content Approval Workflow
- How-to: Step-Based Workflow with Approval
- How-to: Waitlist System
architecture (1)
archive (1)
argon2id (6)
- Account Lockout (Brute-Force Protection)
- How-To: JWT Authentication
- How-to: Password Authentication with Argon2id
- How-To: Password Hashing
- How-to: Password Reset Flow
- How-to: RBAC + JWT Authentication
asset-management (1)
async (1)
atk (1)
atomic (2)
atomic-consumption (1)
atomic-update (1)
atomicity (2)
attack-hardening (3)
- How-to: Product Catalog API (ATK-01~12)
- How-to: Session / Token Management API (ATK-01~12)
- How-to: SQL Injection Defence
audit (1)
audit-log (4)
- How to Build Privacy Consent Management
- How-To: Asset Check-out / Check-in Management
- How-to: State Machine with Audit Log
- How-to: State Machine Workflow API
audit-trail (3)
- How-to: PII Masking API
- HOWTO: Audit Trail — Recording Who Changed What
- Soft Delete (Logical Deletion)
authentication (8)
- Account Lockout (Brute-Force Protection)
- Add JWT Authentication
- API Key Management
- How to use Bearer token authentication
- How-to: Bearer Token Middleware (JWT Auth Edge Cases)
- How-To: JWT Authentication
- How-to: Password Authentication with Argon2id
- TOTP 二要素認証の実装ガイド
authorization (7)
- How to enforce resource ownership (IDOR prevention)
- How-To: Multi-Tenant Isolation
- How-to: Note Management with Ownership
- How-to: RBAC + JWT Authentication
- How-To: Role-Based Access Control (RBAC)
- How-to: Tenant Isolation & Cross-Tenant IDOR Prevention
- How-to: Tenant Isolation & IDOR Prevention
authorization-code-flow (1)
autocomplete (1)
availability (1)
avatar (1)
background-jobs (1)
backoff (1)
balance (3)
base64 (1)
batch (3)
- How-to: Batch API with Partial Success
- How-to: Bulk Status Update API
- How-to: Implement a Bulk Create Endpoint
bcrypt (1)
bearer (4)
- Add JWT Authentication
- How to use Bearer token authentication
- How-to: Bearer Token Middleware (JWT Auth Edge Cases)
- How-To: JWT Authentication
bearer-token (3)
billing (1)
bio (1)
blind-index (1)
booking (5)
- How to prevent double-booking (reservation and capacity enforcement)
- How-To: Event Ticket Booking
- How-to: Reservation & Availability API
- How-to: Resource Booking System
- How-to: Resource Reservation & Booking API
bookmark (1)
bookmarks (3)
boundary-attack (1)
bounding-box (1)
brute-force (1)
brute-force-protection (4)
- How to Build Numeric Verification Code
- How-To: One-Time Secret API & ATK-01~12 Cracker Attack Test
- How-to: OTP Authentication System
- PIN 認証・ロックアウト
budget (1)
bulk (3)
- How-to: Bulk Operations with Partial-Success Semantics
- How-to: Bulk Status Update API
- How-to: Implement a Bulk Create Endpoint
bulk-import (1)
bulk-insert (1)
bulk-operations (1)
bulk-purge (1)
bulk-update (1)
cache (1)
cache-aside (1)
caching (1)
cancel (1)
capacity (3)
- How to prevent double-booking (reservation and capacity enforcement)
- How-To: Event Ticket Booking
- How-to: Resource Booking System
cart (1)
case-when (1)
catalog (1)
categories (3)
change-tracking (1)
checkout (1)
circuit-breaker (1)
code-style (1)
collections (4)
collision (1)
collision-resolution (1)
comments (3)
compliance (1)
concurrency (10)
- Distributed Locking
- How to add optimistic concurrency control (ETag / If-Match)
- How to prevent double-booking (reservation and capacity enforcement)
- How-to: Distributed Lock
- How-to: Emoji Reactions with Toggle and Grouped Counts
- How-To: Event Ticket Booking
- How-to: Optimistic Concurrency Control (Version Field)
- How-to: Optimistic Lock with PATCH + Version Field
- How-to: Optimistic Locking with ETag / If-Match
- Optimistic Locking
conditional-request (1)
conflict-detection (1)
consent (1)
contacts (1)
content (7)
- Content Scheduling — Time-Based Publish with Lifecycle States
- Content Versioning の実装ガイド
- How to Build a Content Draft Lifecycle (Draft → Published → Archived) with NENE2
- How-to: Article Relations API
- How-to: Article Versioning API
- How-to: Content Approval Workflow
- How-to: Multilingual Content API
content-lifecycle (1)
content-negotiation (2)
content-scheduling (1)
conversation (1)
coordinates (2)
cors (1)
coupon (3)
cqrs (2)
cracker-mindset (1)
credits (1)
critical-section (1)
cron (2)
crud (5)
- How-to: Contact Management API
- How-To: Document Template Engine
- How-to: Note Management with Ownership
- How-to: Note Management with Tags
- How-to: Wish List API (VULN-A~L Security Assessment)
csrf (1)
csv (2)
curated-lists (1)
cursor (3)
cursor-pagination (1)
daily (1)
dashboard (1)
data-export (2)
data-privacy (1)
database (6)
- Add a Database-backed Endpoint
- Database Transactions
- Distributed Locking
- How to use PostgreSQL
- How-to: Distributed Lock
- How-to: Transaction Scope Pattern
date-range (2)
datetime (3)
- How to handle timezones
- How to Validate ISO 8601 Datetimes with Timezone
- How-to: Timezone-aware Event Scheduling
dead-letter-queue (1)
deduplication (7)
- How to Add Request Deduplication
- How-to: Bookmark API
- How-to: Collection API (User Curated Lists)
- How-to: Idempotency Key (Request Deduplication)
- How-to: Idempotency Key API
- How-to: Idempotency-Key Pattern
- How-to: Live Poll System
defaults (1)
delegation (1)
deleted-at (3)
- How-to: Soft Delete, Restore, and Permanent Delete
- How-to: Soft Delete, Trash Bin, and Permanent Purge
- Soft Delete (Logical Deletion)
delivery (1)
demo (1)
dependency-injection (1)
deploy (1)
deposit (1)
deprecation (1)
depth-limit (2)
discount (3)
dismissal (1)
distributed-lock (2)
distribution (1)
docker (1)
document (1)
domain (2)
domain-events (2)
double-booking (2)
download-token (1)
downvote (2)
draft (4)
- How to Build a Content Draft Lifecycle (Draft → Published → Archived) with NENE2
- How-to: Article Versioning API
- How-to: Draft → Publish → Archive Workflow
- How-to: Scheduled Publish Article
dto (4)
- Add a Database-backed Endpoint
- How-to: Implement a PATCH Endpoint
- How-to: Mass Assignment Defence with Explicit DTO
- Mass Assignment Defence
duplicate-prevention (1)
duration (1)
email (3)
email-auth (1)
emoji (3)
- How to Build an Emoji Reaction System with NENE2
- How-to: Emoji Reactions API
- How-to: Emoji Reactions with Toggle and Grouped Counts
employee (1)
encoding (2)
encrypted-storage (1)
encryption (1)
endpoint (2)
entity (2)
entropy (1)
enum (2)
environment (2)
error-handling (1)
error-paths (1)
etag (5)
- ETag & Conditional Requests
- How to add optimistic concurrency control (ETag / If-Match)
- How-to: JSON Merge Patch & ETag Conflict Detection
- How-to: Optimistic Locking with ETag / If-Match
- How-to: PATCH Partial Update (JSON Merge Patch)
event-dispatch (1)
event-sourcing (4)
- Event Sourcing (Basic)
- How-to: CQRS Pattern
- How-to: Event Sourcing & CQRS API
- How-to: Event Sourcing Ledger
event-tracking (2)
exceptions (1)
exclusive-lock (1)
expense (2)
experimentation (1)
expiry (4)
- How-to: Coupon / Discount Code Redemption API
- Personal Data Export
- User Invitation System
- クーポン・プロモコード管理
export (1)
fault-tolerance (1)
feature-flags (2)
feedback (1)
field-level-encryption (1)
field-trial (1)
file-download (1)
file-sharing (2)
file-upload (2)
filtering (4)
- How-to: Dynamic Filter Query (Dynamic WHERE Clause)
- How-to: Dynamic Sort & Filter with ORDER BY Injection Prevention
- How-to: Multi-value Tag Filter API
- How-to: URL Bookmark API with Tag Filtering
finance (1)
financial (1)
fixed-window (2)
flash-sale (2)
follow (2)
formula-injection (1)
fts5 (2)
full-text-search (4)
- How-to: Note Management with Tags
- How-to: SQLite FTS5 Full-Text Search
- Use SQLite FTS5 Full-Text Search
- 全文検索・オートコンプリート API の実装ガイド
gdpr (3)
geolocation (2)
gradual-rollout (1)
graph (1)
group (2)
group-by (1)
grouping (1)
guest (1)
habit (1)
hard-delete (2)
hashing (1)
haversine (1)
headers (1)
health-check (1)
hierarchical (1)
hierarchy (1)
history (7)
- Content Versioning の実装ガイド
- CSV バルクインポート API の実装ガイド
- How-to: Article Versioning API
- How-to: Inventory Management API
- How-to: Product Price History API
- How-to: Slug URL Management with History
- Slug Management — Unique URL Slugs with Collision Resolution and History
hmac (8)
- How to Add an Inbound Webhook Receiver
- How-to: Inbound Webhook Gateway
- How-To: Personal Secret Vault API
- How-to: Signed URL for Secure Downloads
- How-to: Webhook Delivery System
- How-to: Webhook Signature Verification with HMAC-SHA256
- Signed URLs
- Webhook Signature Verification
holder-pattern (1)
html (1)
http (2)
http-207 (1)
http-429 (3)
http-headers (1)
i18n (1)
iana (1)
idempotency (13)
- Background Job Queue with Retry and Idempotency
- How to Add an Inbound Webhook Receiver
- How to Add Request Deduplication
- How to Build a Direct Messaging System with NENE2
- How-to: Background Job Queue with Retry and Idempotency
- How-to: Credit Ledger API
- How-to: Idempotency Key (Request Deduplication)
- How-to: Idempotency Key API
- How-to: Idempotency-Key Pattern
- How-to: Inbound Webhook Gateway
- How-to: Point Ledger API
- Payment Webhook 受信の実装ガイド
- ポイント・ロイヤルティシステム
idempotency-key (1)
idempotent (4)
idor (18)
- Bulk Reorder (Drag-and-Drop Ordering) API
- How to Build a Multi-Device Session Manager
- How to enforce resource ownership (IDOR prevention)
- How-to: Group Member Management
- How-to: JWT Multi-Tenant Isolation
- How-To: Multi-Tenant Isolation
- How-to: Note Management with Ownership
- How-to: Notification Inbox API
- How-to: Order Management API
- How-to: Resource Booking System
- How-to: Resource Reservation & Booking API
- How-to: Resource Reservation / Time Slot Booking API
- How-to: Scheduled Reminders API
- How-to: Subscription / Plan Management API (VULN-A~L)
- How-to: Tenant Isolation & Cross-Tenant IDOR Prevention
- How-to: Tenant Isolation & IDOR Prevention
- How-to: Wish List API (VULN-A~L Security Assessment)
- ウィッシュリスト管理
idor-prevention (7)
- Content Report & Moderation
- How to Build Privacy Consent Management
- How-to: Activity Feed / Timeline API
- How-to: API Usage Metering & Quota Management
- How-to: Bookmark API
- How-To: Personal Secret Vault API
- コンテンツコレクション
if-match (1)
immutable (1)
immutable-fields (1)
immutable-log (1)
inbox (1)
incident-management (1)
input-validation (2)
integer-arithmetic (2)
integer-money (1)
integer-validation (2)
- How-to: Pagination Boundary & Limit Injection
- How-to: Pagination Boundary & Limit Injection Prevention
invalidation (1)
inventory (7)
- How to Build a Flash Sale System with NENE2
- How to Build a Guest Order System (Cart → Order → Order Items) with NENE2
- How-To: Event Ticket Booking
- How-to: Flash Sale API
- How-to: Inventory Management API
- How-to: Inventory Stock Management
- How-to: Transaction Scope Pattern
inverse (2)
inverted-index (1)
invitation (4)
- How to Build Group Membership Management with NENE2
- How-to: Invitation / Referral API
- How-to: Invitation System
- User Invitation System
iso-8601 (2)
isolation (4)
- How-to: JWT Multi-Tenant Isolation
- How-To: Multi-Tenant Isolation
- How-to: Tenant Isolation & Cross-Tenant IDOR Prevention
- How-to: Tenant Isolation & IDOR Prevention
job-queue (2)
- Background Job Queue with Retry and Idempotency
- How-to: Background Job Queue with Retry and Idempotency
json (2)
json-api (2)
json-extract (2)
json-merge-patch (3)
- How-to: Implement a PATCH Endpoint
- How-to: JSON Merge Patch & ETag Conflict Detection
- How-to: PATCH Partial Update (JSON Merge Patch)
jwt (12)
- Add JWT Authentication
- How to use Bearer token authentication
- How-to: Bearer Token Middleware (JWT Auth Edge Cases)
- How-To: JWT Authentication
- How-to: JWT Multi-Tenant Isolation
- How-To: JWT Refresh Token Rotation
- How-To: Multi-Tenant Isolation
- How-to: RBAC + JWT Authentication
- How-to: Refresh Token Pattern
- How-To: Role-Based Access Control (RBAC)
- HOWTO: Audit Trail — Recording Who Changed What
- OAuth2 Social Login の実装ガイド
keyset (3)
kill-switch (1)
label (1)
lag-lead (1)
leaderboard (5)
- How to Build a Leaderboard (Ranking System) with NENE2
- How-to: Game Leaderboard & Ranking API
- How-to: Game Score & Leaderboard API
- How-to: Leaderboard & Score Tracking API
- How-to: Leaderboard Ranking API
ledger (4)
- How-to: Credit Ledger API
- How-to: Event Sourcing Ledger
- How-to: Multi-Currency Money Ledger with Integer Cents
- How-to: Point Ledger API
lifecycle (5)
- How to Build a Content Draft Lifecycle (Draft → Published → Archived) with NENE2
- How-to: Live Poll System
- How-to: Scheduled Publish Article
- How-to: Soft Delete, Trash Bin, and Permanent Purge
- How-to: Subscription Plan Management
like-injection (1)
like-query (1)
limit-injection (2)
- How-to: Pagination Boundary & Limit Injection
- How-to: Pagination Boundary & Limit Injection Prevention
line-items (2)
list-endpoint (1)
live-test (1)
localization (1)
lockout (3)
logical-deletion (1)
lost-update (3)
- How to add optimistic concurrency control (ETag / If-Match)
- How-to: Optimistic Concurrency Control (Version Field)
- Optimistic Locking
loyalty (2)
magic-link (2)
many-to-many (7)
- Content Relations — Typed M:N Self-Referential Links
- How to Build a User Follow System with NENE2
- How-to: Article Relations API
- How-to: Contact Management API
- How-to: Multi-value Tag Filter API
- How-to: Tag / Label API
- Tagging System (M:N)
mark-as-read (1)
masking (2)
mass-assignment (3)
- How-to: Mass Assignment Defence with Explicit DTO
- How-to: URL Shortener with SSRF Prevention
- Mass Assignment Defence
materialized-path (1)
mcp (1)
media (1)
membership (2)
messaging (2)
metadata (2)
metering (1)
middleware (6)
- Add Rate Limiting
- How to add a domain exception handler
- How to pass request-scoped state between middleware and handlers
- How to use Bearer token authentication
- How-to: Bearer Token Middleware (JWT Auth Edge Cases)
- Rate Limiting
moderation (4)
- Content Report & Moderation
- How-to: Comment Thread API
- How-to: Content Approval Workflow
- How-to: Content Reporting System
money (2)
monitoring (1)
multi-currency (2)
multi-device (1)
multi-entity (1)
multi-status (1)
multi-step (3)
- How to Add a Multi-step Workflow
- How-to: Approval Workflow API
- How-to: Step-Based Workflow with Approval
multi-tenant (5)
- Add a Disposable Demo
- How-to: JWT Multi-Tenant Isolation
- How-To: Multi-Tenant Isolation
- How-to: Tenant Isolation & Cross-Tenant IDOR Prevention
- How-to: Tenant Isolation & IDOR Prevention
multibyte (2)
multilingual (1)
mutual-follow (1)
n-plus-one (1)
nested-json (1)
nested-resources (1)
notes (2)
notifications (2)
null-byte (1)
oauth2 (1)
offset (2)
one-time-secret (1)
one-time-token (1)
one-time-use (2)
opaque-token (1)
optimistic-locking (6)
- ETag & Conditional Requests
- How to add optimistic concurrency control (ETag / If-Match)
- How-to: Optimistic Concurrency Control (Version Field)
- How-to: Optimistic Lock with PATCH + Version Field
- How-to: Optimistic Locking with ETag / If-Match
- Optimistic Locking
order (1)
order-by (1)
orderby-injection (2)
ordering (5)
- Bulk Reorder (Drag-and-Drop Ordering) API
- Content Pinning
- How-to: Collection API (User Curated Lists)
- How-to: Pin / Bookmark with Ordering
- コンテンツコレクション
orders (1)
otp (3)
outbound (1)
overdraft-prevention (1)
overlap-detection (3)
- How-to: Reservation & Availability API
- How-to: Resource Reservation / Time Slot Booking API
- How-to: Shift Management API
overlap-prevention (1)
override (1)
owner-scoped (1)
ownership (9)
- How to enforce resource ownership (IDOR prevention)
- How-to: File Sharing API
- How-to: File Upload Metadata API (VULN-A~L)
- How-to: Note Management with Ownership
- How-to: Note Management with Tags
- How-to: Scheduled Reminders API
- How-to: User Profile API
- Product Review & Rating System
- User Preferences Management
pagination (13)
- Add pagination
- How-to: Activity Feed / Timeline API
- How-to: Comment Thread API
- How-to: Cursor-Based Pagination
- How-to: Expense Tracking API
- How-to: Follow / Unfollow API
- How-to: Game Score & Leaderboard API
- How-to: Notification Inbox API
- How-to: Offset & Cursor Pagination
- How-to: Pagination Boundary & Limit Injection
- How-to: Pagination Boundary & Limit Injection Prevention
- How-to: Project and Task Management with Nested Resources
- Pagination
parameterized-queries (2)
parent-child (1)
partial-success (4)
- CSV バルクインポート API の実装ガイド
- How-to: Batch API with Partial Success
- How-to: Bulk Operations with Partial-Success Semantics
- How-to: Implement a Bulk Create Endpoint
partial-update (2)
password (3)
password-reset (2)
passwordless (3)
pat (1)
patch (6)
- How-to: Expense Tracking API
- How-to: Implement a PATCH Endpoint
- How-to: JSON Merge Patch & ETag Conflict Detection
- How-to: Optimistic Lock with PATCH + Version Field
- How-to: PATCH Partial Update (JSON Merge Patch)
- How-to: Project and Task Management with Nested Resources
payment (2)
pdo (2)
penetration-testing (1)
per-user (2)
percentage (1)
performance (2)
permissions (2)
personal-best (3)
- How to Build a Leaderboard (Ranking System) with NENE2
- How-to: Game Leaderboard & Ranking API
- How-to: Leaderboard Ranking API
php-cs-fixer (1)
phpstan (1)
pii (5)
- How to Add Data Masking
- How to Build Encrypted Field Storage
- How-to: Data Export API
- How-to: PII Masking API
- Personal Data Export
pin (1)
pinning (1)
pins (1)
plan (2)
points (2)
poll (2)
position-management (1)
postgresql (1)
precision (1)
preferences (2)
presigned (1)
price (1)
price-snapshot (1)
priority (2)
priority-queue (1)
privacy (2)
private-ip (1)
problem-details (1)
problem-json (1)
production (1)
profile (2)
projection (1)
promo-code (1)
protection (1)
provisioning (1)
proximity-search (2)
publish (4)
- Content Scheduling — Time-Based Publish with Lifecycle States
- How to Build a Content Draft Lifecycle (Draft → Published → Archived) with NENE2
- How-to: Draft → Publish → Archive Workflow
- How-to: Scheduled Publish Article
purge (1)
query-params (3)
queue (4)
quota (2)
race-condition (4)
- How to Build a Flash Sale System with NENE2
- How-to: Distributed Lock
- How-to: Flash Sale API
- How-to: Idempotency-Key Pattern
ranking (6)
- How to Build a Leaderboard (Ranking System) with NENE2
- How-to: Game Leaderboard & Ranking API
- How-to: Game Score & Leaderboard API
- How-to: Leaderboard & Score Tracking API
- How-to: Leaderboard Ranking API
- Use SQLite Window Functions
rate-limiting (8)
- Account Lockout (Brute-Force Protection)
- Add a Disposable Demo
- Add Rate Limiting
- How-to: API Usage Metering & Quota Management
- How-to: Fixed-window Rate Limiter
- How-to: Quota Management API
- How-to: Sliding-Window Rate Limiter
- Rate Limiting
rating (3)
rbac (9)
- Content Report & Moderation
- How-to: Comment Thread API
- How-to: Delegated Access Grants
- How-to: Group Member Management
- How-to: PII Masking API
- How-to: RBAC + JWT Authentication
- How-To: Role-Based Access Control (RBAC)
- クーポン・プロモコード管理
- ポイント・ロイヤルティシステム
reactions (3)
- How to Build an Emoji Reaction System with NENE2
- How-to: Emoji Reactions API
- How-to: Emoji Reactions with Toggle and Grouped Counts
read-model (2)
recursive-cte (1)
redemption (2)
redirect (2)
- How-to: Slug URL Management with History
- Slug Management — Unique URL Slugs with Collision Resolution and History
redos (1)
reference (1)
referral (1)
refresh-token (2)
registry (1)
rehash (1)
relations (2)
reliability (1)
reminders (1)
rendering (1)
reorder (1)
replay (2)
replay-attack (3)
- How-To: JWT Refresh Token Rotation
- How-to: Refresh Token Pattern
- How-to: Webhook Signature Verification with HMAC-SHA256
reporting (4)
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