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MODEL: GPT-5.4-codex
REASONING: medium COMMAND: Create PR_DEBUG_SURFACES_NETWORK_SERVER_CONTAINER_FULL PURPOSE: Implement Track U — Docker containerization for the network server and dashboard. IN SCOPE: - Dockerfile for server - .dockerignore - environment variable contract - local run instructions - port mapping (dashboard access) - health/readiness check - logging output expectations - optional docker-compose example OUT OF SCOPE: - orchestration (k8s, etc.) - auth/security hardening - engine changes - dashboard feature expansion RULES: - minimal container - fast startup - dev-friendly - works with current dashboard - no breaking changes to Sample A or dashboard ROADMAP: - update NETWORK_SAMPLES_PLAN.md: - Track U items → [.] or [x] - DO NOT modify BIG_PICTURE_ROADMAP.md OUTPUT: <project folder>/tmp/PR_DEBUG_SURFACES_NETWORK_SERVER_CONTAINER_FULL_bundle.zip
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‎docs/dev/CODEX_COMMANDS.md‎

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MODEL: GPT-5.4-codex
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REASONING: high
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REASONING: medium
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COMMAND:
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Create PR_DEBUG_SURFACES_NETWORK_SERVER_DASHBOARD_FULL
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Create PR_DEBUG_SURFACES_NETWORK_SERVER_CONTAINER_FULL
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PURPOSE:
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Implement Track T — Server Dashboard for real-time network observability using Sample A as the data source.
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Implement Track U � Docker containerization for the network server and dashboard.

‎docs/dev/COMMIT_COMMENT.txt‎

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build(network-dashboard): implement Track T server dashboard with polling metrics and admin gate
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build(network-dashboard): implement Track U containerization for Sample A server dashboard

‎docs/dev/NETWORK_SAMPLES_PLAN.md‎

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# TRACK U — SERVER CONTAINERIZATION
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- [ ] Dockerfile for server
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- [ ] .dockerignore
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- [ ] Environment variable contract
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- [ ] Local run command
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- [ ] Compose-ready service definition
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- [ ] Port mapping rules
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- [ ] Health/readiness check
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- [ ] Logging/output expectations
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- [ ] Container debug notes
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- [x] Dockerfile for server
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- [x] .dockerignore
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- [x] Environment variable contract
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- [x] Local run command
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- [x] Compose-ready service definition
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- [x] Port mapping rules
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- [x] Health/readiness check
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- [x] Logging/output expectations
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- [x] Container debug notes
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## Recommended Execution Order
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1. Sample A

‎docs/dev/NEXT_COMMAND.txt‎

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PR_DEBUG_SURFACES_NETWORK_SERVER_CONTAINERIZATION_FULL
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PR_DEBUG_SURFACES_NETWORK_SAMPLE_B_FULL

‎docs/dev/reports/change_summary.txt‎

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Implemented PR_DEBUG_SURFACES_NETWORK_SERVER_DASHBOARD_FULL (Track T).
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Implemented PR_DEBUG_SURFACES_NETWORK_SERVER_CONTAINER_FULL (Track U).
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Delivered:
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- Server-owned dashboard and metrics endpoints under games/network_sample_a/server.
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- Polling HTML dashboard (no websocket dependency).
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- Read-only diagnostics sourced from Sample A fake network model.
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- Metrics: player/session counts, connection state, latency summary + per-player, RX bytes, TX bytes.
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- Debug/admin gate: loopback restriction + key-based access.
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- Track T checklist in NETWORK_SAMPLES_PLAN updated to complete.
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- Runtime fix: corrected embedded dashboard script string construction to avoid nested-template parse failures.
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- Added container runtime artifacts for the Sample A dashboard server.
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- Added `games/network_sample_a/server/Dockerfile` with healthcheck and minimal runtime image.
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- Added `games/network_sample_a/.dockerignore` to keep context small and focused.
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- Added optional compose service at `games/network_sample_a/server/docker-compose.yml`.
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- Updated server access contract with opt-in `NETWORK_SAMPLE_A_ALLOW_REMOTE_WITH_KEY=1` for containerized browser access.
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- Updated server README with docker build/run, compose usage, env contract, port mapping, readiness, and logging expectations.
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- Updated Track U checklist to complete in `docs/dev/NETWORK_SAMPLES_PLAN.md`.
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Scope preserved:
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- no engine/core changes
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- no containerization work
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- no orchestration stack work
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- no dashboard feature expansion outside container access compatibility
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- BIG_PICTURE_ROADMAP not modified

‎docs/dev/reports/file_tree.txt‎

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docs/pr/PLAN_PR_DEBUG_SURFACES_NETWORK_SERVER_DASHBOARD.md
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docs/pr/BUILD_PR_DEBUG_SURFACES_NETWORK_SERVER_DASHBOARD.md
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docs/pr/APPLY_PR_DEBUG_SURFACES_NETWORK_SERVER_DASHBOARD.md
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docs/pr/PLAN_PR_DEBUG_SURFACES_NETWORK_SERVER_CONTAINER.md
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docs/pr/BUILD_PR_DEBUG_SURFACES_NETWORK_SERVER_CONTAINER.md
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docs/pr/APPLY_PR_DEBUG_SURFACES_NETWORK_SERVER_CONTAINER.md
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docs/dev/CODEX_COMMANDS.md
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docs/dev/COMMIT_COMMENT.txt
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docs/dev/NEXT_COMMAND.txt
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docs/dev/NETWORK_SAMPLES_PLAN.md
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docs/dev/reports/change_summary.txt
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docs/dev/reports/file_tree.txt
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docs/dev/reports/validation_checklist.txt
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games/network_sample_a/server/Dockerfile
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games/network_sample_a/.dockerignore
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games/network_sample_a/server/docker-compose.yml
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games/network_sample_a/server/networkSampleADashboardServer.mjs
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games/network_sample_a/server/README.md

‎docs/dev/reports/validation_checklist.txt‎

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- [x] BUILD created
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- [x] APPLY created
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Track T Implementation
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- [x] lightweight server dashboard implemented
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- [x] player/session count metrics exposed
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- [x] connection state metrics exposed
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- [x] latency summary + per-player exposed
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- [x] RX/TX byte metrics exposed
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- [x] integrated with Sample A fake network source
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- [x] polling refresh implemented
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- [x] debug/admin-only gate implemented
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Track U Implementation
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- [x] Dockerfile for server
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- [x] .dockerignore added for sample context
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- [x] Environment variable contract documented
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- [x] Local run command documented
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- [x] Compose-ready service definition added
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- [x] Port mapping rules documented
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- [x] Health/readiness check implemented
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- [x] Logging/output expectations documented
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- [x] Container debug notes documented
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Safety
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- [x] read-only diagnostics only
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- [x] no engine changes
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- [x] Sample A game remains intact
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- [x] no orchestration scope expansion
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- [x] Sample A dashboard behavior preserved
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- [x] BIG_PICTURE_ROADMAP.md unchanged
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Validation Runs
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- [x] node --check games/network_sample_a/server/networkSampleADashboardServer.mjs
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- [x] health endpoint returns 200
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- [x] unauthorized metrics endpoint returns 403
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- [x] authorized metrics endpoint returns 200 with summary + players
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- [x] dashboard endpoint returns 200
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- [x] local node server health endpoint returns 200
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- [x] local node server authorized metrics endpoint returns 200
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- [x] docker artifact syntax checked (Dockerfile + compose present)
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- [x] docker image build/run validation skipped in this environment (Docker CLI unavailable)

‎docs/pr/APPLY_PR_DEBUG_SURFACES_NETWORK_SERVER_CONTAINER.md‎

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Toolbox Aid
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David Quesenberry
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04/06/2026
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APPLY_PR_DEBUG_SURFACES_NETWORK_SERVER_CONTAINER.md
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# APPLY_PR_DEBUG_SURFACES_NETWORK_SERVER_CONTAINER
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## Apply Scope
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Apply Track U containerization changes for the Sample A server dashboard only.
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## In Scope Files
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- `games/network_sample_a/server/Dockerfile`
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- `games/network_sample_a/.dockerignore`
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- `games/network_sample_a/server/docker-compose.yml`
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- `games/network_sample_a/server/networkSampleADashboardServer.mjs`
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- `games/network_sample_a/server/README.md`
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- `docs/pr/PLAN_PR_DEBUG_SURFACES_NETWORK_SERVER_CONTAINER.md`
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- `docs/pr/BUILD_PR_DEBUG_SURFACES_NETWORK_SERVER_CONTAINER.md`
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- `docs/pr/APPLY_PR_DEBUG_SURFACES_NETWORK_SERVER_CONTAINER.md`
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- `docs/dev/NETWORK_SAMPLES_PLAN.md` (Track U bracket updates)
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- docs/dev control/report files for this bundle
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## Validation
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- Node syntax check passes for modified server script.
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- Docker artifacts exist and are correctly wired (Dockerfile, compose, .dockerignore).
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- Local server run remains functional.
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- If Docker is available, image build and container health/route checks pass.
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- Track U items are updated to `[.]` or `[x]`.
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- `BIG_PICTURE_ROADMAP.md` remains unchanged.
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## Output
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`<project folder>/tmp/PR_DEBUG_SURFACES_NETWORK_SERVER_CONTAINER_FULL_bundle.zip`

‎docs/pr/BUILD_PR_DEBUG_SURFACES_NETWORK_SERVER_CONTAINER.md‎

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Toolbox Aid
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David Quesenberry
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BUILD_PR_DEBUG_SURFACES_NETWORK_SERVER_CONTAINER.md
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# BUILD_PR_DEBUG_SURFACES_NETWORK_SERVER_CONTAINER
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## Build Summary
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Implemented Track U containerization for the Sample A server dashboard with minimal, fast-start, dev-friendly artifacts.
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## Implemented
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1. Dockerfile
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- file: `games/network_sample_a/server/Dockerfile`
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- base image: `node:22-alpine`
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- copies only required runtime files
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- exposes `4310`
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- includes Docker healthcheck for `/admin/network-sample-a/health`
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2. Context Optimization
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- file: `games/network_sample_a/.dockerignore`
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- constrains build context to required server/game files
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3. Compose Example (Optional)
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- file: `games/network_sample_a/server/docker-compose.yml`
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- build context and dockerfile path configured for Sample A
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- port mapping included
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- environment values documented via compose defaults
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- healthcheck included
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4. Environment/Run Contract
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- file: `games/network_sample_a/server/README.md`
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- documents Docker build/run commands
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- documents compose usage
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- documents port mapping, readiness, and logging expectations
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5. Container Access Compatibility
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- file: `games/network_sample_a/server/networkSampleADashboardServer.mjs`
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- adds opt-in `NETWORK_SAMPLE_A_ALLOW_REMOTE_WITH_KEY=1` gate to allow key-authenticated container access without changing default local safety
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## Scope Safety
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- no engine/core modifications
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- no orchestration stack changes
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- no dashboard feature expansion beyond access compatibility for container usage
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- no BIG_PICTURE roadmap edits

‎docs/pr/PLAN_PR_DEBUG_SURFACES_NETWORK_SERVER_CONTAINER.md‎

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Toolbox Aid
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David Quesenberry
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PLAN_PR_DEBUG_SURFACES_NETWORK_SERVER_CONTAINER.md
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# PLAN_PR_DEBUG_SURFACES_NETWORK_SERVER_CONTAINER
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## Goal
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Implement Track U with minimal, dev-friendly containerization for the existing Sample A network server dashboard.
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## Workflow
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PLAN_PR -> BUILD_PR -> APPLY_PR
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## In Scope
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- server Dockerfile
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- .dockerignore for reduced build context
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- environment variable contract for container run
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- local run instructions
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- port mapping rules for dashboard access
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- health/readiness check integration
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- logging output expectations
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- optional compose-ready service definition
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## Out Of Scope
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- orchestration platforms (k8s, swarm)
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- authentication hardening beyond existing debug/admin gate
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- engine changes
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- dashboard feature expansion
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## Contract
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- Containerization remains server-owned under `games/network_sample_a`.
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- Runtime remains read-only diagnostics and uses existing Sample A fake network source.
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- No changes to game engine boundaries.
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- Container defaults must remain compatible with existing dashboard routes.
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## Acceptance Criteria
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- Dockerfile builds and starts dashboard server.
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- Port mapping exposes dashboard and metrics routes.
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- Health endpoint works in container and supports readiness checks.
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- Environment variables are documented and supported.
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- Optional compose example is provided.
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- Track U checklist items in `docs/dev/NETWORK_SAMPLES_PLAN.md` move to `[.]` or `[x]`.
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- `docs/dev/BIG_PICTURE_ROADMAP.md` remains unchanged.

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