fix: add missing fleet_key.py to worker Docker image

[GeiserX]

Summary

• Worker container fails to start with ImportError: cannot import name 'fleet_key' from 'app'
• app/fleet_key.py was not included in Dockerfile.worker COPY instructions
• Added the missing COPY line

Fixes #19

Files changed

• Dockerfile.worker — added COPY --chown=cashpilot:root app/fleet_key.py ./app/
• AGENTS.md — added CI/CD deployment workflow notes

Test plan

• Verified fleet_key.py exists and is imported by worker_api.py
• CI builds worker image successfully
• Worker container starts without ImportError

Summary by CodeRabbit

• Documentation
  • Enhanced CI/CD deployment workflow guidance with step-by-step instructions for post-PR deployment process
  • Added critical warning against manual Git tag creation to prevent build conflicts

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ℹ️ Review info

⚙️ Run configuration

Configuration used: Path: .coderabbit.yaml

Review profile: CHILL

Plan: Pro

Run ID: 1dccfaa0-c834-4935-842a-1987e8e5025c

📥 Commits

Reviewing files that changed from the base of the PR and between c9906f9 and da80f1d.

📒 Files selected for processing (5)

• .github/ISSUE_TEMPLATE/bug_report.yml
• app/main.py
• app/worker_api.py
• docker-compose.fleet.yml
• requirements-worker.txt

📝 Walkthrough

Walkthrough

The PR adds deployment workflow documentation to AGENTS.md and includes a missing application source file (fleet_key.py) in the Dockerfile.worker runtime stage to resolve a module import error.

Changes

Cohort / File(s)	Summary
Documentation AGENTS.md	Adds critical note against manually creating Git tags/releases to prevent workflow conflicts, and documents sequential deployment workflow after PR merge (wait for Auto Release, then Build and Push Docker Images, then server-side docker pull and container recreation).
Docker Configuration Dockerfile.worker	Copies app/fleet_key.py into container /app directory to resolve missing module import error.

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~10 minutes

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Out of Scope Changes check	⚠️ Warning	The Dockerfile.worker change is directly scoped to fixing the issue. However, the AGENTS.md documentation update appears unrelated to the worker initialization bug fix.	Remove or separate the AGENTS.md CI/CD documentation changes into a distinct PR, as they are outside the scope of fixing issue #19.

✅ Passed checks (4 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title accurately describes the main change: adding the missing fleet_key.py file to the worker Docker image to fix the ImportError.
Linked Issues check	✅ Passed	The PR directly addresses issue #19 by adding the missing fleet_key.py import to Dockerfile.worker, which resolves the ImportError preventing worker initialization.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

_{✏️ Tip: You can configure your own custom pre-merge checks in the settings.}

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch fix/worker-missing-fleet-key

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Caution

Some comments are outside the diff and can’t be posted inline due to platform limitations.

⚠️ Outside diff range comments (1)

Dockerfile.worker (1)

2-2: ⚠️ Potential issue | 🟠 Major

Use Python 3.12 as required by coding guidelines.

Dockerfile.worker lines 2 and 20 reference python:3.14-alpine, but coding guidelines mandate Python 3.12 for Docker images.

Fix

-FROM python:3.14-alpine AS builder
+FROM python:3.12-alpine AS builder

-FROM python:3.14-alpine
+FROM python:3.12-alpine

Also applies to: 20-20

🤖 Prompt for AI Agents

Verify each finding against the current code and only fix it if needed.

In `@Dockerfile.worker` at line 2, The Dockerfile uses the Python 3.14 Alpine base
image in its FROM directives; update both occurrences of the image tag to
python:3.12-alpine (replace "python:3.14-alpine" with "python:3.12-alpine") so
the builder and final stages use Python 3.12 per the coding guidelines and
ensure any other "python:3.14-alpine" references in the same file are changed
consistently.

🤖 Prompt for all review comments with AI agents

Verify each finding against the current code and only fix it if needed.

Outside diff comments:
In `@Dockerfile.worker`:
- Line 2: The Dockerfile uses the Python 3.14 Alpine base image in its FROM
directives; update both occurrences of the image tag to python:3.12-alpine
(replace "python:3.14-alpine" with "python:3.12-alpine") so the builder and
final stages use Python 3.12 per the coding guidelines and ensure any other
"python:3.14-alpine" references in the same file are changed consistently.

---

ℹ️ Review info

⚙️ Run configuration

Configuration used: Path: .coderabbit.yaml

Review profile: CHILL

Plan: Pro

Run ID: fc75e2c0-0f15-46b5-bfaa-d92e7c793b62

📥 Commits

Reviewing files that changed from the base of the PR and between bd6b94b and c9906f9.

📒 Files selected for processing (2)

• AGENTS.md
• Dockerfile.worker