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Use a local SQLite3 backend instead of PostgreSQL Docker container.

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* The provided SQLite3 database contains the required schemas, but no data and can be reset to if required.
* Remove all references to PostgreSQL in documentation and configuration.
* Replace native sqlite3 command with a console app to remove dependency on SQLite3 installation.
This commit is contained in:
Simon Dellenbach
2025-11-03 15:09:09 +01:00
parent b61e6a6cc7
commit f1c0021ad3
14 changed files with 124 additions and 139 deletions
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42
README.md
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@@ -7,7 +7,7 @@ This exercise is designed to test your skills in C# and .NET.
* .NET 8.0 / C#
* Minimal ASP.NET Core Web API
* Entity Framework Core
* PostgreSQL Database (Docker)
* SQLite3 Database (simplified for portability)
* HttpClient for downstream REST API calls
* ???
@@ -49,15 +49,11 @@ sequenceDiagram
**Success Criteria: Verify that the post has been saved with the database with:**
```bash
$ docker compose exec --env PGPASSWORD=password db psql -h localhost -U user --db mydatabase -c "select * from posts;"
$ dotnet run --project show-posts/
id | user_id | title | body | updated_at
----+---------+----------------------------------------------------------------------------+-----------------------------------------------------+------------------------
1 | 1 | sunt aut facere repellat provident occaecati excepturi optio reprehenderit | quia et suscipit +| 1970-01-01 00:00:00+00
| | | suscipit recusandae consequuntur expedita et cum +|
| | | reprehenderit molestiae ut ut quas totam +|
| | | nostrum rerum est autem sunt rem eveniet architecto |
(1 row)
| Id | UserId | Title | Body | UpdatedAt |
| -- | ------ | -------------------------------------------------------------------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------- | --------------------------- |
| 1 | 1 | sunt aut facere repellat provident occaecati excepturi optio reprehenderit | quia et suscipit suscipit recusandae consequuntur expedita et cum reprehenderit molestiae ut ut quas totam nostrum rerum est autem sunt rem eveniet architecto | 1/1/1970 12:00:00 AM +00:00 |
```
### Phase 2
@@ -105,34 +101,10 @@ $ docker compose exec --env PGPASSWORD=password db psql -h localhost -U user --d
## Troubleshooting
### Start database manually
Open a terminal at the repo root and execute
```bash
$ docker compose up -d db
[+] Running 3/3
✔ Network dotnet-interview-exercise_default Created 0.0s
✔ Volume "dotnet-interview-exercise_db_data" Created 0.0s
✔ Container dotnet-interview-exercise-db-1 Started 0.1s
```
### Cleanup database
In case something went wrong, wipe and rebuild the database
In case something went wrong or you want to start over, wipe the database by resetting the SQLite file.
```bash
$ docker compose down -v
[+] Running 3/3
✔ Container dotnet-interview-exercise-db-1 Removed. 0.2s
✔ Network dotnet-interview-exercise_default Removed. 0.2s
✔ Volume dotnet-interview-exercise_db_data Removed. 0.0s
$ docker compose up -d db
[+] Running 3/3
✔ Network dotnet-interview-exercise_default Created 0.0s
✔ Volume "dotnet-interview-exercise_db_data" Created 0.0s
✔ Container dotnet-interview-exercise-db-1 Started 0.1s
git restore service/service.db
```