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meldestelle/infrastructure/gateway/CONFIGURATION.md
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StefanMo b35c4087a2 Fix: Test-Commit für VCS-Integration (MP-8) (#15)
* MP-8 OTHER Implementiere JWT-Authentifizierungs-Filter im Gateway

* Fix(ci): Update upload-artifact action to v4

* Fix(ci): Add start command for Keycloak and failure logs

* Fix(ci): Remove invalid 'command' property from Keycloak service

* Fix(ci): Use KC_DEV_MODE env var to start Keycloak

* Fix(ci): Keycloak service was removed from GitHub Actions services and replaced with a manual docker run step that starts Keycloak with the start-dev command.

* dev(ci): vereinheitliche Keycloak auf 26.4.2; aktiviere Health im CI (MP-8)

* Fix(ci): Stabilize Keycloak startup in integration tests via matrix

- Add `dev-file` Keycloak variant to matrix for stability fallback.
- Improve wait logic and health checks for Keycloak and Postgres.
- Unify Keycloak version to 26.4.2 across codebase.
- Add log dumps on failure.

* Fix(ci): Die betroffene Datei docs/Visionen-Ideen/Infrastruktur-Strategie_DSGVO-Konformität.md endet aktuell mit genau einer leeren Zeile (Zeile 87). Das entspricht der Regel MD047 („Files should end with a single newline character“). Damit ist deine Korrektur korrekt.

* Fix(ci): Repository-wide auto-fix for Markdown files was implemented with a GitHub Actions workflow and a local helper script. EditorConfig and markdownlint ignore files were added to ensure consistent formatting. Instructions for using the auto-fix both via GitHub Actions and locally were provided.

* fix(gradle): build.gradle.kts jsBrowser testTask disabled

* fix(gradle): build.gradle.kts jsBrowser testTask disabled

* Fix(ci): Stabilize integration tests with Keycloak matrix build (MP-8)

Introduces a matrix strategy (`keycloak_db: [postgres, dev-file]`)
in the integration-tests workflow to mitigate flaky Keycloak starts
when using the Postgres service container.

- Adds a `dev-file` Keycloak variant for stability fallback.
- Improves wait logic and health checks for Keycloak/Postgres.
- Unifies Keycloak version to 26.4.2 across codebase (Dockerfile, Compose,
  ADR, README, tests).
- Adds log dumps on failure in CI.
- Ensures `KC_HEALTH_ENABLED=true` is set.
- Updates related documentation (README, Schlachtplan).
- Includes broader Docker SSoT cleanup (versions.toml as source,
  script updates, env file cleanup, validator hardening).

This resolves recurring CI failures related to Keycloak startup and
ensures required checks for PRs (#15) are reliable, while also
improving overall Docker build consistency.

* feat(docs, ci): Implement YouTrack SSoT strategy with Dokka sync (MP-8)

- Add Dokka multi-module Gradle configuration and KDoc style guide.
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- Adapt CI scripts (validate-frontmatter, check-docs-drift, ci-docs link ignore).
- Update README.md to reference YouTrack KB.

* feat(docs, ci): Implement YouTrack SSoT strategy with Dokka sync (MP-8)

- Add Dokka multi-module Gradle configuration and KDoc style guide.
- Add GitHub Actions workflow (docs-kdoc-sync.yml) and Python script
  (youtrack-sync-kb.py) to sync Dokka GFM output to YouTrack KB.
- Extend front-matter schema (bc, doc_type) and update relevant pages/stubs.
- Adapt CI scripts (validate-frontmatter, check-docs-drift, ci-docs link ignore).
- Update README.md to reference YouTrack KB.

* Fix(ci): Replace OpenAPI validator with Spectral

Replaces the deprecated 'char0n/swagger-editor-validate' action,
which failed due to sandbox issues in GitHub Actions, with the
modern '@stoplight/spectral-cli'.

This ensures robust OpenAPI specification validation without
requiring a headless browser environment. The 'generate-api-docs'
job now depends on the successful completion of the Spectral validation.

Part of resolving CI failures for PR #15 (MP-8).

* Fix(ci): Specify spectral:oas ruleset for OpenAPI validation (MP-8)

* Fix(ci): Remove explicit ruleset argument for Spectral validation (MP-8)

* Fix(ci): Added a .spectral.yaml file to fix Spectral linting errors. Corrected markdown lint issues in two documentation files. Updated README.md with a new guidelines section to fix link validation errors.

* Fix(ci): Markdownlint errors were fixed by adding required blank lines. The Guidelines Validation error was resolved by updating the README.md link. The API Documentation Generator workflow was stabilized by updating paths, tasks, and validation steps.

* Fix(ci): Alle vier fehlerhaften GitHub-Action-Prüfungen wurden behoben. Fehler in der OpenAPI-Spezifikation, Probleme mit der Markdown-Linting-Analyse und Validierungsfehler bei Querverweisen wurden korrigiert. Die README.md enthält nun alle erforderlichen Links zu den Richtlinien.

* Fix(ci): Markdown linting errors in docs/api/README.md were fixed by specifying languages in fenced code blocks. OpenAPI specification errors in documentation.yaml were resolved by correcting example property types to strings. Cross-reference validation errors in README.md were fixed by adding the missing link to project-standards/coding-standards.md.

* Fix(ci): Duplicate heading errors in docs/api/members-api.md were fixed. Cross-reference validation errors for docker-architecture.md were resolved. All originally reported issues passed validation successfully.

* Fix(ci): The markdown heading levels in docs/api/members-api.md were corrected from h5 to h4 to fix linting errors. The missing cross-reference link from technology-guides/docker/docker-development.md to docker-overview.md was added. These fixes resolved the original validation and linting errors causing the process to fail.

* Fix(ci): Duplicate heading warnings in docs/api/members-api.md were resolved. Cross-reference validation for docker-development.md to docker-architecture.md was fixed. A new unrelated warning about docker-production.md was identified but not addressed.

* refactor(ci,docs): Simplify CI pipeline and migrate docs to YouTrack SSoT

BREAKING CHANGE: Documentation structure radically simplified

- Consolidate 9 GitHub Actions workflows into 1 main pipeline (ci-main.yml)
- Remove redundant workflows: ci-docs, markdownlint-autofix, guidelines-validation, api-docs
- Delete documentation migrated to YouTrack: api/, BCs/, Visionen-Ideen/, reference/, now/, overview/
- Keep only ADRs, C4 diagrams, and essential dev guides in repo
- Update README.md with YouTrack KB links
- Create new docs/README.md as documentation gateway
- Relax markdown-lint config for pragmatic developer experience

Kept workflows:
- ssot-guard.yml (Docker SSoT validation)
- docs-kdoc-sync.yml (KDoc → YouTrack sync)
- integration-tests.yml (Integration tests)
- deploy-proxmox.yml (Deployment)
- youtrack-sync.yml (YouTrack integration)

Related: MP-DOCS-001

* refactor(ci,docs): Simplify CI pipeline and migrate docs to YouTrack SSoT

BREAKING CHANGE: Documentation structure radically simplified

- Consolidate 9 GitHub Actions workflows into 1 main pipeline (ci-main.yml)
- Remove redundant workflows: ci-docs, markdownlint-autofix, guidelines-validation, api-docs
- Delete documentation migrated to YouTrack: api/, BCs/, Visionen-Ideen/, reference/, now/, overview/
- Keep only ADRs, C4 diagrams, and essential dev guides in repo
- Update README.md with YouTrack KB links
- Create new docs/README.md as documentation gateway
- Relax markdown-lint config for pragmatic developer experience

Kept workflows:
- ssot-guard.yml (Docker SSoT validation)
- docs-kdoc-sync.yml (KDoc → YouTrack sync)
- integration-tests.yml (Integration tests)
- deploy-proxmox.yml (Deployment)
- youtrack-sync.yml (YouTrack integration)

Related: MP-DOCS-001

* refactor(ci,docs): README.md und einige andere Dokumentationen überarbeitet.
ports-and-urls.md hinzugefügt.
Related: MP-DOCS-001

* refactor(ci,docs): Die Markdownlint-Fehler in README.md und docs/README.md wurden behoben, indem die Überschriftenebenen angepasst, überflüssige Satzzeichen am Ende entfernt und die notwendigen Leerzeilen um Überschriften, Listen, Tabellen und Codeblöcke eingefügt wurden. Das problematische Leerzeichen am Ende in docs/README.md wurde ebenfalls entfernt. Die Dateien entsprechen nun den vorgegebenen Markdownlint-Regeln und sollten die CI-Validierung bestehen.
Related: MP-DOCS-001

* refactor(ci,docs): Docker guideline cross-references were fixed and normalized to lowercase labels. Validation scripts confirmed zero cross-reference warnings and consistent metadata. Documentation was updated with a changelog and enhanced README navigation.
Related: MP-DOCS-001

* refactor(ci,docs): Docker guideline cross-references were fixed and normalized to lowercase labels. Validation scripts confirmed zero cross-reference warnings and consistent metadata. Documentation was updated with a changelog and enhanced README navigation.
Related: MP-DOCS-001

* refactor(ci,docs): Dead links in docs/architecture/adr were fixed by updating URLs to stable sources and adding an ignore pattern for a placeholder link. Specific ADR files had their broken links replaced with valid ones. The markdown-link-check GitHub Action is expected to pass with zero dead links now.
Related: MP-DOCS-001

* refactor(ci,docs): Links in ADR checked
Related: MP-DOCS-001

* refactor(ci,docs): Links in ADR checked
Related: MP-DOCS-001

* refactor(ci,docs): Markdown Regeln ausgebessert
Related: MP-DOCS-001

* refactor(ci,docs): Markdown Regeln ausgebessert
Related: MP-DOCS-001

* refactor(ci,docs): Markdown Regeln ausgebessert
Related: MP-DOCS-001

* Chore: Rerun CI checks with updated branch protection rules
2025-11-07 12:26:33 +01:00

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Markdown

# Gateway Configuration Documentation
## Überblick
Dieses Dokument beschreibt alle zentralen Konfigurationseigenschaften für das API Gateway. Die Konfiguration erfolgt über die `application.yml` Datei und kann durch Umgebungsvariablen überschrieben werden.
## Table of Contents
- [Server Configuration](#server-configuration)
- [Spring Application](#spring-application)
- [Consul Service Discovery](#consul-service-discovery)
- [Spring Cloud Gateway](#spring-cloud-gateway)
- [Circuit Breaker (Resilience4j)](#circuit-breaker-resilience4j)
- [Management & Monitoring](#management--monitoring)
- [Security](#security)
- [Logging](#logging)
---
## Server Configuration
### server.port
- **Typ**: Integer
- **Default**: 8081
- **Environment Variable**: `GATEWAY_PORT`
- **Beschreibung**: Port, auf dem das Gateway läuft
### server.netty.connection-timeout
- **Typ**: Duration
- **Default**: 5s
- **Beschreibung**: Timeout für initiale TCP-Verbindungen
### server.netty.idle-timeout
- **Typ**: Duration
- **Default**: 15s
- **Beschreibung**: Timeout für inaktive Verbindungen
**Beispiel:**
```yaml
server:
port: 8081
netty:
connection-timeout: 5s
idle-timeout: 15s
```
---
## Spring Application
### spring.application.name
- **Typ**: String
- **Default**: api-gateway
- **Beschreibung**: Name der Anwendung, wird in Consul und Logs verwendet
### spring.profiles.active
- **Typ**: String
- **Default**: dev
- **Environment Variable**: `SPRING_PROFILES_ACTIVE`
- **Beschreibung**: Aktives Spring-Profil (dev, test, prod)
- **Mögliche Werte**: dev, test, staging, prod
### spring.security.user.name / password
- **Typ**: String
- **Default**: admin / admin
- **Environment Variables**: `GATEWAY_ADMIN_USER`, `GATEWAY_ADMIN_PASSWORD`
- **Beschreibung**: Basic Auth für administrative Endpunkte
- **⚠️ Wichtig**: In Produktion durch sichere Werte ersetzen!
**Beispiel:**
```yaml
spring:
application:
name: api-gateway
profiles:
active: ${SPRING_PROFILES_ACTIVE:dev}
security:
user:
name: ${GATEWAY_ADMIN_USER:admin}
password: ${GATEWAY_ADMIN_PASSWORD:admin}
```
---
## Consul Service Discovery
### spring.cloud.consul.host
- **Typ**: String
- **Default**: localhost
- **Environment Variable**: `CONSUL_HOST`
- **Beschreibung**: Hostname des Consul-Servers
### spring.cloud.consul.port
- **Typ**: Integer
- **Default**: 8500
- **Environment Variable**: `CONSUL_PORT`
- **Beschreibung**: Port des Consul-Servers
### spring.cloud.consul.enabled
- **Typ**: Boolean
- **Default**: true
- **Environment Variable**: `CONSUL_ENABLED`
- **Beschreibung**: Aktiviert/Deaktiviert Consul Integration
### spring.cloud.consul.discovery.enabled
- **Typ**: Boolean
- **Default**: true
- **Environment Variable**: `CONSUL_ENABLED`
- **Beschreibung**: Aktiviert Service Discovery
### spring.cloud.consul.discovery.register
- **Typ**: Boolean
- **Default**: true
- **Environment Variable**: `CONSUL_ENABLED`
- **Beschreibung**: Registriert das Gateway in Consul
### spring.cloud.consul.discovery.health-check-path
- **Typ**: String
- **Default**: /actuator/health
- **Beschreibung**: Pfad für Consul Health Checks
### spring.cloud.consul.discovery.health-check-interval
- **Typ**: Duration
- **Default**: 10s
- **Beschreibung**: Intervall für Health Checks
### spring.cloud.consul.discovery.instance-id
- **Typ**: String
- **Default**: ${spring.application.name}-${server.port}-${random.uuid}
- **Beschreibung**: Eindeutige Instanz-ID für Service Discovery
**Beispiel:**
```yaml
spring:
cloud:
consul:
host: ${CONSUL_HOST:localhost}
port: ${CONSUL_PORT:8500}
enabled: ${CONSUL_ENABLED:true}
discovery:
enabled: ${CONSUL_ENABLED:true}
register: ${CONSUL_ENABLED:true}
health-check-path: /actuator/health
health-check-interval: 10s
instance-id: ${spring.application.name}-${server.port}-${random.uuid}
```
---
## Spring Cloud Gateway
### Verbindungskonfiguration
#### spring.cloud.gateway.server.webflux.httpclient.connect-timeout
- **Typ**: Integer (Millisekunden)
- **Default**: 5000
- **Beschreibung**: Timeout für Backend-Verbindungen
#### spring.cloud.gateway.server.webflux.httpclient.response-timeout
- **Typ**: Duration
- **Default**: 30s
- **Beschreibung**: Timeout für Backend-Responses
#### spring.cloud.gateway.server.webflux.httpclient.pool.max-idle-time
- **Typ**: Duration
- **Default**: 15s
- **Beschreibung**: Max. Idle-Zeit für Verbindungen im Pool
#### spring.cloud.gateway.server.webflux.httpclient.pool.max-life-time
- **Typ**: Duration
- **Default**: 60s
- **Beschreibung**: Max. Lebensdauer einer Verbindung
**Beispiel:**
```yaml
spring:
cloud:
gateway:
server:
webflux:
httpclient:
connect-timeout: 5000
response-timeout: 30s
pool:
max-idle-time: 15s
max-life-time: 60s
```
### Default Filters
Diese Filter werden auf **alle** Routen angewendet:
1. **DedupeResponseHeader**: Entfernt doppelte CORS-Header
2. **CircuitBreaker**: Default Circuit Breaker mit Fallback
3. **Retry**: Automatische Wiederholung bei Fehlern
4. **Security Headers**: X-Content-Type-Options, X-Frame-Options, X-XSS-Protection, etc.
5. **Cache-Control**: No-cache Header für alle Responses
**Beispiel:**
```yaml
spring:
cloud:
gateway:
default-filters:
- DedupeResponseHeader=Access-Control-Allow-Credentials Access-Control-Allow-Origin
- name: CircuitBreaker
args:
name: defaultCircuitBreaker
fallbackUri: forward:/fallback
- name: Retry
args:
retries: 3
statuses: BAD_GATEWAY,GATEWAY_TIMEOUT
methods: GET,POST,PUT,DELETE
backoff:
firstBackoff: 50ms
maxBackoff: 500ms
factor: 2
```
### Routes
Das Gateway definiert folgende Service-Routen:
#### 1. Members Service Route
- **Path**: `/api/members/**`
- **Service**: members-service (via Consul)
- **Circuit Breaker**: membersCircuitBreaker
- **Fallback**: /fallback/members
#### 2. Horses Service Route
- **Path**: `/api/horses/**`
- **Service**: horses-service (via Consul)
- **Circuit Breaker**: horsesCircuitBreaker
- **Fallback**: /fallback/horses
#### 3. Events Service Route
- **Path**: `/api/events/**`
- **Service**: events-service (via Consul)
- **Circuit Breaker**: eventsCircuitBreaker
- **Fallback**: /fallback/events
#### 4. Masterdata Service Route
- **Path**: `/api/masterdata/**`
- **Service**: masterdata-service (via Consul)
- **Circuit Breaker**: masterdataCircuitBreaker
- **Fallback**: /fallback/masterdata
#### 5. Auth Service Route
- **Path**: `/api/auth/**`
- **Service**: auth-service (via Consul)
- **Circuit Breaker**: authCircuitBreaker
- **Fallback**: /fallback/auth
#### 6. Ping Service Route
- **Path**: `/api/ping/**`
- **Service**: ping-service (via Consul)
- **No Circuit Breaker**: Optional service
**Beispiel einer Route:**
```yaml
spring:
cloud:
gateway:
routes:
- id: members-service-route
uri: lb://members-service # lb = Load Balanced via Consul
predicates:
- Path=/api/members/**
filters:
- StripPrefix=1 # Entfernt /api vom Pfad
- name: CircuitBreaker
args:
name: membersCircuitBreaker
fallbackUri: forward:/fallback/members
```
---
## Circuit Breaker (Resilience4j)
### Default Konfiguration
#### resilience4j.circuitbreaker.configs.default.registerHealthIndicator
- **Typ**: Boolean
- **Default**: true
- **Beschreibung**: Registriert Circuit Breaker im Health Endpoint
#### resilience4j.circuitbreaker.configs.default.slidingWindowSize
- **Typ**: Integer
- **Default**: 100
- **Beschreibung**: Größe des Sliding Window für Fehlerrate-Berechnung
#### resilience4j.circuitbreaker.configs.default.minimumNumberOfCalls
- **Typ**: Integer
- **Default**: 20
- **Beschreibung**: Mindestanzahl an Calls bevor Circuit Breaker aktiviert wird
#### resilience4j.circuitbreaker.configs.default.permittedNumberOfCallsInHalfOpenState
- **Typ**: Integer
- **Default**: 3
- **Beschreibung**: Anzahl Test-Calls im Half-Open State
#### resilience4j.circuitbreaker.configs.default.waitDurationInOpenState
- **Typ**: Duration
- **Default**: 5s
- **Beschreibung**: Wartezeit bevor von Open zu Half-Open gewechselt wird
#### resilience4j.circuitbreaker.configs.default.failureRateThreshold
- **Typ**: Integer (Prozent)
- **Default**: 50
- **Beschreibung**: Fehlerrate-Schwelle für Circuit Breaker Aktivierung
### Service-spezifische Circuit Breaker
Jeder Service hat einen eigenen Circuit Breaker mit angepasster Konfiguration:
| Service | Sliding Window | Failure Threshold | Besonderheit |
|---------|---------------|-------------------|--------------|
| members-service | 50 | 50% | Standard |
| horses-service | 50 | 50% | Standard |
| events-service | 75 | 50% | Größeres Window |
| masterdata-service | 30 | 50% | Kleineres Window |
| auth-service | 20 | 30% | Sensitiverer Threshold |
**Beispiel:**
```yaml
resilience4j:
circuitbreaker:
instances:
authCircuitBreaker:
baseConfig: default
slidingWindowSize: 20
failureRateThreshold: 30 # Auth ist kritisch -> niedrigerer Threshold
```
---
## Management & Monitoring
### Exposed Endpoints
#### management.endpoints.web.exposure.include
- **Typ**: Comma-separated String
- **Default**: health,info,metrics,prometheus,gateway,circuitbreakers
- **Beschreibung**: Öffentlich verfügbare Actuator Endpoints
**Verfügbare Endpoints:**
- `/actuator/health` - Service Health Status
- `/actuator/info` - Service Informationen
- `/actuator/metrics` - Micrometer Metriken
- `/actuator/prometheus` - Prometheus Scrape Endpoint
- `/actuator/gateway` - Gateway Routes & Filters
- `/actuator/circuitbreakers` - Circuit Breaker Status
### Health Endpoint
#### management.endpoint.health.show-details
- **Typ**: String
- **Default**: always
- **Mögliche Werte**: never, when-authorized, always
- **Beschreibung**: Zeigt detaillierte Health-Informationen
#### management.endpoint.health.show-components
- **Typ**: Boolean
- **Default**: always
- **Beschreibung**: Zeigt Health-Komponenten
#### management.endpoint.health.probes.enabled
- **Typ**: Boolean
- **Default**: true
- **Beschreibung**: Aktiviert Kubernetes Liveness/Readiness Probes
### Metrics
#### management.metrics.tags
- **Beschreibung**: Globale Tags für alle Metriken
- **Standard Tags**:
- application: ${spring.application.name}
- environment: ${spring.profiles.active}
- instance: ${spring.cloud.consul.discovery.instance-id}
- service: gateway
- component: infrastructure
- gateway: api-gateway
#### management.metrics.distribution.percentiles-histogram.http.server.requests
- **Typ**: Boolean
- **Default**: true
- **Beschreibung**: Aktiviert Histogram für Request-Zeiten
#### management.metrics.distribution.percentiles.http.server.requests
- **Typ**: Array[Double]
- **Default**: [0.5, 0.90, 0.95, 0.99]
- **Beschreibung**: Percentile-Werte für Request-Zeiten
### Tracing
#### management.tracing.enabled
- **Typ**: Boolean
- **Default**: false
- **Environment Variable**: `TRACING_ENABLED`
- **Beschreibung**: Aktiviert Distributed Tracing
#### management.tracing.sampling.probability
- **Typ**: Double (0.0 - 1.0)
- **Default**: 1.0
- **Environment Variable**: `TRACING_SAMPLING_PROBABILITY`
- **Beschreibung**: Sampling-Rate für Traces (1.0 = 100%)
#### management.zipkin.tracing.endpoint
- **Typ**: URL
- **Default**: <http://localhost:9411/api/v2/spans>
- **Environment Variable**: `ZIPKIN_TRACING_ENDPOINT`
- **Beschreibung**: Zipkin Server URL
**Beispiel:**
```yaml
management:
endpoints:
web:
exposure:
include: health,info,metrics,prometheus,gateway,circuitbreakers
endpoint:
health:
show-details: always
probes:
enabled: true
tracing:
enabled: ${TRACING_ENABLED:false}
sampling:
probability: ${TRACING_SAMPLING_PROBABILITY:1.0}
zipkin:
tracing:
endpoint: ${ZIPKIN_TRACING_ENDPOINT:http://localhost:9411/api/v2/spans}
```
---
## Security
Die Security-Konfiguration erfolgt über Custom Properties unter `gateway.security`:
### gateway.security.publicPaths
- **Typ**: Array[String]
- **Default**: ["/", "/fallback/**", "/actuator/**", "/webjars/**", "/v3/api-docs/**", "/api/auth/**"]
- **Beschreibung**: Pfade, die ohne Authentifizierung zugänglich sind
### gateway.security.cors.allowedOriginPatterns
- **Typ**: Array[String]
- **Default**: ["http://localhost:[*]", "https://*.meldestelle.at"]
- **Beschreibung**: Erlaubte Origin-Patterns für CORS
### gateway.security.cors.allowedMethods
- **Typ**: Array[String]
- **Default**: ["GET", "POST", "PUT", "DELETE", "OPTIONS", "PATCH"]
- **Beschreibung**: Erlaubte HTTP-Methoden
### gateway.security.cors.allowedHeaders
- **Typ**: Array[String]
- **Default**: ["*"]
- **Beschreibung**: Erlaubte Request-Headers
### gateway.security.cors.exposedHeaders
- **Typ**: Array[String]
- **Default**: ["X-Correlation-ID", "X-RateLimit-Limit", "X-RateLimit-Remaining"]
- **Beschreibung**: Headers die an Client exponiert werden
### gateway.security.cors.allowCredentials
- **Typ**: Boolean
- **Default**: true
- **Beschreibung**: Erlaubt Credentials (Cookies, Auth-Header)
### gateway.security.cors.maxAge
- **Typ**: Duration
- **Default**: 1h
- **Beschreibung**: Cache-Zeit für CORS Preflight-Requests
**Beispiel:**
```yaml
gateway:
security:
publicPaths:
- "/"
- "/actuator/**"
- "/api/auth/**"
cors:
allowedOriginPatterns:
- "http://localhost:[*]"
- "https://*.meldestelle.at"
allowedMethods:
- GET
- POST
- PUT
- DELETE
allowCredentials: true
maxAge: 1h
```
### JWT Configuration
#### spring.security.oauth2.resourceserver.jwt.jwk-set-uri
- **Typ**: URL
- **Environment Variable**: `KEYCLOAK_JWK_SET_URI`
- **Beschreibung**: Keycloak JWK Set URI für JWT-Validierung
- **Beispiel**: <http://localhost:8180/realms/meldestelle/protocol/openid-connect/certs>
---
## Logging
### logging.level
- **Beschreibung**: Log-Level für verschiedene Pakete
**Standard Log-Levels:**
- `org.springframework.cloud.gateway`: INFO
- `org.springframework.cloud.loadbalancer`: DEBUG
- `org.springframework.cloud.consul`: INFO
- `at.mocode.infrastructure.gateway`: DEBUG
- `io.github.resilience4j`: INFO
- `reactor.netty.http.client`: INFO
- `org.springframework.security`: WARN
- `org.springframework.web`: INFO
### logging.pattern.console
- **Beschreibung**: Console-Log-Pattern mit Farben und Correlation-ID
### logging.pattern.file
- **Beschreibung**: File-Log-Pattern ohne Farben
### logging.file.name
- **Typ**: String
- **Default**: infrastructure/gateway/logs/gateway.log
- **Beschreibung**: Log-Datei Pfad
### logging.logback.rollingpolicy
- **clean-history-on-start**: true
- **max-file-size**: 100MB
- **total-size-cap**: 1GB
- **max-history**: 30 (Tage)
**Beispiel:**
```yaml
logging:
level:
at.mocode.infrastructure.gateway: DEBUG
org.springframework.cloud.gateway: INFO
file:
name: infrastructure/gateway/logs/gateway.log
logback:
rollingpolicy:
max-file-size: 100MB
max-history: 30
```
---
## Umgebungsvariablen Übersicht
### Kritische Variablen für Produktion
| Variable | Beschreibung | Default |
|----------|--------------|---------|
| `GATEWAY_PORT` | Gateway Port | 8081 |
| `CONSUL_HOST` | Consul Server | localhost |
| `CONSUL_PORT` | Consul Port | 8500 |
| `CONSUL_ENABLED` | Consul Aktivieren | true |
| `GATEWAY_ADMIN_USER` | Admin Username | admin |
| `GATEWAY_ADMIN_PASSWORD` | Admin Password | admin |
| `KEYCLOAK_JWK_SET_URI` | Keycloak JWK URI | <http://localhost:8180/>... |
| `TRACING_ENABLED` | Tracing aktivieren | false |
| `ZIPKIN_TRACING_ENDPOINT` | Zipkin Server | <http://localhost:9411/>... |
| `SPRING_PROFILES_ACTIVE` | Spring Profil | dev |
---
## Profile-spezifische Konfiguration
Das Gateway unterstützt verschiedene Spring Profile:
### dev (Development)
- Detailliertes Logging
- Alle Monitoring-Endpunkte verfügbar
- Tracing optional
### test
- Reduziertes Logging
- Test-spezifische Timeouts
- In-Memory Services optional
### prod (Production)
- Production-ready Logging
- Sichere Credentials erforderlich
- Tracing empfohlen
- Rate Limiting aktiviert
**Beispiel für profile-spezifische Datei:**
```yaml
# application-prod.yml
spring:
security:
user:
name: ${GATEWAY_ADMIN_USER} # Muss gesetzt sein!
password: ${GATEWAY_ADMIN_PASSWORD} # Muss gesetzt sein!
management:
tracing:
enabled: true
sampling:
probability: 0.1 # 10% Sampling in Production
logging:
level:
at.mocode.infrastructure.gateway: INFO # Weniger Logs
```
---
## Best Practices
1. **Umgebungsvariablen verwenden**: Nie Credentials in application.yml hardcoden
2. **Profile nutzen**: Separate Konfigurationen für dev/test/prod
3. **Health Checks aktivieren**: Für Consul und Kubernetes
4. **Tracing in Production**: Mindestens 10% Sampling
5. **Monitoring exportieren**: Prometheus-Endpunkt für Grafana
6. **Circuit Breaker tunen**: An Service-Charakteristiken anpassen
7. **CORS restriktiv**: Nur benötigte Origins erlauben
8. **Log Rotation**: Verhindert volle Festplatten
---
## Troubleshooting
### Gateway startet nicht
- ✅ Prüfen: Consul erreichbar?
- ✅ Prüfen: Port 8081 frei?
- ✅ Prüfen: Keycloak erreichbar? (Optional)
### Service nicht erreichbar
- ✅ Prüfen: Service in Consul registriert?
- ✅ Prüfen: Circuit Breaker offen?
- ✅ Prüfen: Health Check erfolgreich?
### CORS-Fehler
- ✅ Prüfen: Origin in allowedOriginPatterns?
- ✅ Prüfen: Methode in allowedMethods?
- ✅ Prüfen: allowCredentials korrekt?
### Hohe Latenz
- ✅ Prüfen: response-timeout zu hoch?
- ✅ Prüfen: Backend-Services langsam?
- ✅ Prüfen: Connection Pool ausgeschöpft?
---
## Weitere Ressourcen
- [Gateway README](README-INFRA-GATEWAY.md)
- [Spring Cloud Gateway Dokumentation](https://docs.spring.io/spring-cloud-gateway/docs/current/reference/html/)
- [Resilience4j Dokumentation](https://resilience4j.readme.io/)
- [Consul Dokumentation](https://www.consul.io/docs)