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76 lines
3.4 KiB
Markdown
76 lines
3.4 KiB
Markdown
# MIL-002 Backend basics and Hello Flask
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## Metadata
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| Key | Value |
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| --- | --- |
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| ID | MIL-002 |
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| CrossReference | [BC-001], [ADR-0001] |
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| Language | en |
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| Domain | it |
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## Version History
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| Date | Status | Author | Reviewer | Change | Commit |
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| --- | --- | --- | --- | --- | --- |
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| 2026-11-06 | Deprecated | Jens Tirsvad Nielsen | S01 | Initial version | [73a5a95] |
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| 2026-11-06 | Accepted | Jens Tirsvad Nielsen | S01 | Paths follow the layered layout of ADR-0001 | [0f4e36b] |
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---
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## Purpose
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Decide whether lectures 1 and 2 (frontend versus backend, and the first Flask server) are implemented, tested and illustrated.
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## Deliverable
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`src/flask_day_54/presentation/hello.py` with a Flask `app` and a home route returning the greeting, tests of that route, a screenshot for lecture 1 (client, server, database and the request-response cycle) and for lecture 2 (the browser showing the greeting), and README text for both.
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## Go / No-Go Criteria
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| # | Criterion (objectively checkable) | Go | No-Go |
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| --- | --- | --- | --- |
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| 1 | `flask --app flask_day_54.presentation.hello run` serves the greeting on the configured port | Met | Not met |
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| 2 | A pytest test requests `/` with the Flask test client and gets status 200 and the greeting | Met | Not met |
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| 3 | Screenshots `lecture-01.png` and `lecture-02.png` exist in `docs/images/` and are shown in the README | Met | Not met |
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| 4 | Doxygen comments exist on every public name in `hello.py` | Met | Not met |
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## Dependencies
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| Depends on | Reason |
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| --- | --- |
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| MIL-001 | Needs the project configuration and test tooling |
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## Traceability
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| Business Case objective / KPI / user story | Reference |
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| --- | --- |
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| Objectives 1, 2 and 3 | BC-001 |
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| CN-002, CN-003 | SA-001 |
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## Ownership
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| Role | Stakeholder ID (SA) |
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| --- | --- |
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| Owner | S01 |
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| Approving reviewer | S01 |
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## Target Date
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2026-11-07 - within the Business Case constraints.
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## Tasks
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| # | Task | Summary | Needs its own Use Case/User Story? | Reference |
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| --- | --- | --- | --- | --- |
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| 1 | Implement hello.py | Create the minimal Flask application with a home route that returns the greeting from `constants.py`. The file is named `hello.py`, as the lecture does, so it cannot clash with the Flask library. | No | |
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| 2 | Test the home route | Add a pytest test that uses the Flask test client; it is skipped with a clear message when the `web` extra is not installed. | No | |
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| 3 | Screenshot lecture 1: backend overview | Render a diagram of client, server and database with the request-response cycle (restaurant analogy) and capture it with a headless browser, never on the host desktop. | No | |
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| 4 | Screenshot lecture 2: Hello World in the browser | Start the application and capture the page in a headless browser to show the greeting served from the local server. | No | |
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| 5 | README section for lectures 1 and 2 | Add the two screenshots and short run instructions, including the `FLASK_APP` variable for macOS/Linux and Windows. | No | |
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---
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[BC-001]: ../business-case.md
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[ADR-0001]: ../adr/adr-0001-layered-package-layout.md
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[73a5a95]: https://git.tirsystem.com/Tirsvad-Udemy-100-days-of-code/054-flask/commit/73a5a95d28db041e4f27342cc552e18f7d386410
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[0f4e36b]: https://git.tirsystem.com/Tirsvad-Udemy-100-days-of-code/054-flask/commit/0f4e36b68282be23a71aa6684af01ca85a1e9473
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