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feat(deploy): externalRouting toggle to keep apps off Traefik
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Adds a boolean `externalRouting` flag (default `true`) on
ResolvedContainerConfig. When `false`, TraefikLabelBuilder emits only
the identity labels (`managed-by`, `cameleer.*`) and skips every
`traefik.*` label, so the container is not published by Traefik.
Sibling containers on `cameleer-traefik` / `cameleer-env-{tenant}-{env}`
can still reach it via Docker DNS on whatever port the app listens on.

TDD: new TraefikLabelBuilderTest covers enabled (default labels present),
disabled (zero traefik.* labels), and disabled (identity labels retained)
cases. Full module unit suite: 208/0/0.

Plumbed through ConfigMerger read, DeploymentExecutor snapshot, UI form
state, Resources tab toggle, POST payload, and snapshot-to-form mapping.
Rule files updated.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
This commit is contained in:
hsiegeln
2026-04-23 18:03:48 +02:00
parent ade1733418
commit 165c9f10e3
13 changed files with 98 additions and 7 deletions
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2
.claude/rules/core-classes.md
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@@ -37,7 +37,7 @@ paths:
- `RuntimeDetector` — probes JAR files at upload time: detects runtime from manifest Main-Class (Spring Boot loader, Quarkus entry point, plain Java) or native binary (non-ZIP magic bytes)
- `ContainerRequest` — record: 20 fields for Docker container creation (includes runtimeType, customArgs, mainClass)
- `ContainerStatus` — record: state, running, exitCode, error
- `ResolvedContainerConfig` — record: typed config with memoryLimitMb, memoryReserveMb, cpuRequest, cpuLimit, appPort, exposedPorts, customEnvVars, stripPathPrefix, sslOffloading, routingMode, routingDomain, serverUrl, replicas, deploymentStrategy, routeControlEnabled, replayEnabled, runtimeType, customArgs, extraNetworks
- `ResolvedContainerConfig` — record: typed config with memoryLimitMb, memoryReserveMb, cpuRequest, cpuLimit, appPort, exposedPorts, customEnvVars, stripPathPrefix, sslOffloading, routingMode, routingDomain, serverUrl, replicas, deploymentStrategy, routeControlEnabled, replayEnabled, runtimeType, customArgs, extraNetworks, externalRouting (default `true`; when `false`, `TraefikLabelBuilder` strips all `traefik.*` labels so the container is not publicly routed)
- `RoutingMode` — enum for routing strategies
- `ConfigMerger` — pure function: resolve(globalDefaults, envConfig, appConfig) -> ResolvedContainerConfig
- `RuntimeOrchestrator` — interface: startContainer, stopContainer, getContainerStatus, getLogs, startLogCapture, stopLogCapture

2
.claude/rules/docker-orchestration.md
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@@ -13,7 +13,7 @@ paths:
When deployed via the cameleer-saas platform, this server orchestrates customer app containers using Docker. Key components:
- **ConfigMerger** (`core/runtime/ConfigMerger.java`) — pure function: resolve(globalDefaults, envConfig, appConfig) -> ResolvedContainerConfig. Three-layer merge: global (application.yml) -> environment (defaultContainerConfig JSONB) -> app (containerConfig JSONB). Includes `runtimeType` (default `"auto"`) and `customArgs` (default `""`).
- **TraefikLabelBuilder** (`app/runtime/TraefikLabelBuilder.java`) — generates Traefik Docker labels for path-based (`/{envSlug}/{appSlug}/`) or subdomain-based (`{appSlug}-{envSlug}.{domain}`) routing. Supports strip-prefix and SSL offloading toggles. Per-replica identity labels: `cameleer.replica` (index), `cameleer.generation` (8-char deployment UUID prefix — pin Prometheus/Grafana deploy boundaries with this), `cameleer.instance-id` (`{envSlug}-{appSlug}-{replicaIndex}-{generation}`). Traefik router/service keys deliberately omit the generation so load balancing spans old + new replicas during a blue/green overlap.
- **TraefikLabelBuilder** (`app/runtime/TraefikLabelBuilder.java`) — generates Traefik Docker labels for path-based (`/{envSlug}/{appSlug}/`) or subdomain-based (`{appSlug}-{envSlug}.{domain}`) routing. Supports strip-prefix and SSL offloading toggles. Per-replica identity labels: `cameleer.replica` (index), `cameleer.generation` (8-char deployment UUID prefix — pin Prometheus/Grafana deploy boundaries with this), `cameleer.instance-id` (`{envSlug}-{appSlug}-{replicaIndex}-{generation}`). Traefik router/service keys deliberately omit the generation so load balancing spans old + new replicas during a blue/green overlap. When `ResolvedContainerConfig.externalRouting()` is `false` (UI: Resources → External Routing, default `true`), the builder emits ONLY the identity labels (`managed-by`, `cameleer.*`) and skips every `traefik.*` label — the container stays on `cameleer-traefik` and the per-env network (so sibling containers can still reach it via Docker DNS) but is invisible to Traefik.
- **PrometheusLabelBuilder** (`app/runtime/PrometheusLabelBuilder.java`) — generates Prometheus `docker_sd_configs` labels per resolved runtime type: Spring Boot `/actuator/prometheus:8081`, Quarkus/native `/q/metrics:9000`, plain Java `/metrics:9464`. Labels merged into container metadata alongside Traefik labels at deploy time.
- **DockerNetworkManager** (`app/runtime/DockerNetworkManager.java`) — manages two Docker network tiers:
- `cameleer-traefik` — shared network; Traefik, server, and all app containers attach here. Server joined via docker-compose with `cameleer-server` DNS alias.