Use a local SQLite3 backend instead of PostgreSQL Docker container.
* 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:
@@ -1,4 +0,0 @@
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Dockerfile
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docker-compose.yaml
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[b|B]in
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[O|o]bj
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@@ -1,8 +0,0 @@
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# Normally, we would use a multi-stage build, but for simplicity, we are using a single stage here.
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FROM mcr.microsoft.com/dotnet/sdk:8.0 AS build
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WORKDIR /src
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COPY . .
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RUN dotnet restore \
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&& dotnet publish -c release -o /app
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WORKDIR /app
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ENTRYPOINT ["dotnet", "service.dll"]
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42
README.md
42
README.md
@@ -7,7 +7,7 @@ This exercise is designed to test your skills in C# and .NET.
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* .NET 8.0 / C#
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* .NET 8.0 / C#
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* Minimal ASP.NET Core Web API
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* Minimal ASP.NET Core Web API
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* Entity Framework Core
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* Entity Framework Core
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* PostgreSQL Database (Docker)
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* SQLite3 Database (simplified for portability)
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* HttpClient for downstream REST API calls
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* HttpClient for downstream REST API calls
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* ???
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* ???
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@@ -49,15 +49,11 @@ sequenceDiagram
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**Success Criteria: Verify that the post has been saved with the database with:**
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**Success Criteria: Verify that the post has been saved with the database with:**
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```bash
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```bash
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$ docker compose exec --env PGPASSWORD=password db psql -h localhost -U user --db mydatabase -c "select * from posts;"
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$ dotnet run --project show-posts/
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id | user_id | title | body | updated_at
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| Id | UserId | Title | Body | UpdatedAt |
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----+---------+----------------------------------------------------------------------------+-----------------------------------------------------+------------------------
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| -- | ------ | -------------------------------------------------------------------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------- | --------------------------- |
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1 | 1 | sunt aut facere repellat provident occaecati excepturi optio reprehenderit | quia et suscipit +| 1970-01-01 00:00:00+00
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| 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 |
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| | | suscipit recusandae consequuntur expedita et cum +|
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| | | reprehenderit molestiae ut ut quas totam +|
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| | | nostrum rerum est autem sunt rem eveniet architecto |
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(1 row)
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```
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```
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### Phase 2
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### Phase 2
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@@ -105,34 +101,10 @@ $ docker compose exec --env PGPASSWORD=password db psql -h localhost -U user --d
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## Troubleshooting
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## Troubleshooting
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### Start database manually
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Open a terminal at the repo root and execute
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```bash
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$ docker compose up -d db
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[+] Running 3/3
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✔ Network dotnet-interview-exercise_default Created 0.0s
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✔ Volume "dotnet-interview-exercise_db_data" Created 0.0s
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✔ Container dotnet-interview-exercise-db-1 Started 0.1s
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```
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### Cleanup database
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### Cleanup database
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In case something went wrong, wipe and rebuild the database
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In case something went wrong or you want to start over, wipe the database by resetting the SQLite file.
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```bash
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```bash
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$ docker compose down -v
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git restore service/service.db
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[+] Running 3/3
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✔ Container dotnet-interview-exercise-db-1 Removed. 0.2s
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✔ Network dotnet-interview-exercise_default Removed. 0.2s
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✔ Volume dotnet-interview-exercise_db_data Removed. 0.0s
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$ docker compose up -d db
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[+] Running 3/3
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✔ Network dotnet-interview-exercise_default Created 0.0s
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✔ Volume "dotnet-interview-exercise_db_data" Created 0.0s
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✔ Container dotnet-interview-exercise-db-1 Started 0.1s
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```
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```
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services:
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service:
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build:
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context: .
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dockerfile: Dockerfile
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depends_on:
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- db
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networks:
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- default
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ports:
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- "8080:8080"
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environment:
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ASPNETCORE_ENVIRONMENT: Docker
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db:
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image: postgres:alpine
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restart: unless-stopped
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networks:
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- default
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ports:
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- "5432:5432" # Also for local development
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environment:
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POSTGRES_USER: user
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POSTGRES_PASSWORD: password
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POSTGRES_DB: mydatabase
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volumes:
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- db_data:/var/lib/postgresql/data
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- ./dbschemas:/docker-entrypoint-initdb.d
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networks:
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default:
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driver: bridge
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volumes:
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db_data:
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driver: local
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80
service.sln
80
service.sln
@@ -1,38 +1,42 @@
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Microsoft Visual Studio Solution File, Format Version 12.00
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Microsoft Visual Studio Solution File, Format Version 12.00
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# Visual Studio Version 17
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# Visual Studio Version 17
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VisualStudioVersion = 17.0.31903.59
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VisualStudioVersion = 17.0.31903.59
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MinimumVisualStudioVersion = 10.0.40219.1
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MinimumVisualStudioVersion = 10.0.40219.1
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "service", "service\service.csproj", "{8572A3DF-7A4C-4552-8B30-22D794E703A6}"
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "service", "service\service.csproj", "{8572A3DF-7A4C-4552-8B30-22D794E703A6}"
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EndProject
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EndProject
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Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution Items", "{8EC462FD-D22E-90A8-E5CE-7E832BA40C5D}"
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Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution Items", "{8EC462FD-D22E-90A8-E5CE-7E832BA40C5D}"
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ProjectSection(SolutionItems) = preProject
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ProjectSection(SolutionItems) = preProject
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docker-compose.yaml = docker-compose.yaml
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README.md = README.md
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Dockerfile = Dockerfile
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EndProjectSection
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README.md = README.md
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EndProject
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EndProjectSection
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Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "dbschemas", "dbschemas", "{02EA681E-C7D8-13C7-8484-4AC65E1B71E8}"
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EndProject
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ProjectSection(SolutionItems) = preProject
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Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "dbschemas", "dbschemas", "{02EA681E-C7D8-13C7-8484-4AC65E1B71E8}"
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dbschemas\01-create-posts-table.sql = dbschemas\01-create-posts-table.sql
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ProjectSection(SolutionItems) = preProject
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dbschemas\02-posts-add-updated.sql = dbschemas\02-posts-add-updated.sql
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dbschemas\01-create-posts-table.sql = dbschemas\01-create-posts-table.sql
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EndProjectSection
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dbschemas\02-posts-add-updated.sql = dbschemas\02-posts-add-updated.sql
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EndProject
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EndProjectSection
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "show-posts", "show-posts\show-posts.csproj", "{D73F984F-F3CA-4CFD-AF1A-EDE2D688294C}"
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EndProject
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EndProject
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Global
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Global
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GlobalSection(SolutionConfigurationPlatforms) = preSolution
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GlobalSection(SolutionConfigurationPlatforms) = preSolution
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Debug|Any CPU = Debug|Any CPU
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Debug|Any CPU = Debug|Any CPU
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Release|Any CPU = Release|Any CPU
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Release|Any CPU = Release|Any CPU
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EndGlobalSection
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EndGlobalSection
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GlobalSection(ProjectConfigurationPlatforms) = postSolution
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GlobalSection(ProjectConfigurationPlatforms) = postSolution
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{8572A3DF-7A4C-4552-8B30-22D794E703A6}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
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{8572A3DF-7A4C-4552-8B30-22D794E703A6}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
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{8572A3DF-7A4C-4552-8B30-22D794E703A6}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{8572A3DF-7A4C-4552-8B30-22D794E703A6}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{8572A3DF-7A4C-4552-8B30-22D794E703A6}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{8572A3DF-7A4C-4552-8B30-22D794E703A6}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{8572A3DF-7A4C-4552-8B30-22D794E703A6}.Release|Any CPU.Build.0 = Release|Any CPU
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{8572A3DF-7A4C-4552-8B30-22D794E703A6}.Release|Any CPU.Build.0 = Release|Any CPU
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EndGlobalSection
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{D73F984F-F3CA-4CFD-AF1A-EDE2D688294C}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
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GlobalSection(SolutionProperties) = preSolution
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{D73F984F-F3CA-4CFD-AF1A-EDE2D688294C}.Debug|Any CPU.Build.0 = Debug|Any CPU
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HideSolutionNode = FALSE
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{D73F984F-F3CA-4CFD-AF1A-EDE2D688294C}.Release|Any CPU.ActiveCfg = Release|Any CPU
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EndGlobalSection
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{D73F984F-F3CA-4CFD-AF1A-EDE2D688294C}.Release|Any CPU.Build.0 = Release|Any CPU
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GlobalSection(ExtensibilityGlobals) = postSolution
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EndGlobalSection
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SolutionGuid = {DD652F00-A6DC-4579-AF4C-12EA8B5C7ECC}
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GlobalSection(SolutionProperties) = preSolution
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EndGlobalSection
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HideSolutionNode = FALSE
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EndGlobal
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EndGlobalSection
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GlobalSection(ExtensibilityGlobals) = postSolution
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SolutionGuid = {DD652F00-A6DC-4579-AF4C-12EA8B5C7ECC}
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EndGlobalSection
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EndGlobal
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@@ -21,10 +21,9 @@ services.AddEndpointsApiExplorer();
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services.AddSwaggerGen();
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services.AddSwaggerGen();
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services.AddDbContext<AppDbContext>(optionsBuilder =>
|
services.AddDbContext<AppDbContext>(optionsBuilder =>
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{
|
{
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// Configure the database connection string.
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var connectionString = builder.Configuration.GetValue<string>("SqliteConnection");
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var connectionString = builder.Configuration.GetValue<string>("PostgresConnection");
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Console.WriteLine($"Setting up SQLite database with {connectionString}");
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Console.WriteLine($"Connecting to PostgreSQL database with connection string: {connectionString}");
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optionsBuilder.UseSqlite(connectionString);
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optionsBuilder.UseNpgsql(connectionString);
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});
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});
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var httpClientBuilder = services.AddHttpClient<JsonPlaceholderClient>();
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var httpClientBuilder = services.AddHttpClient<JsonPlaceholderClient>();
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|
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@@ -1,3 +0,0 @@
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{
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"PostgresConnection": "Server=db;Database=mydatabase;User Id=user;Password=password;"
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}
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@@ -7,5 +7,5 @@
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}
|
}
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},
|
},
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"AllowedHosts": "*",
|
"AllowedHosts": "*",
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"PostgresConnection": "Server=localhost;Database=mydatabase;User Id=user;Password=password;"
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"SqliteConnection": "Data Source=service.db"
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}
|
}
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@@ -6,15 +6,11 @@
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</PropertyGroup>
|
</PropertyGroup>
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|
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<ItemGroup>
|
<ItemGroup>
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<PackageReference Include="Microsoft.AspNetCore.OpenApi" Version="8.0.16" />
|
<PackageReference Include="Microsoft.AspNetCore.OpenApi" Version="8.0.24" />
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<PackageReference Include="Microsoft.EntityFrameworkCore" Version="9.0.6" />
|
<PackageReference Include="Microsoft.EntityFrameworkCore" Version="9.0.13" />
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<PackageReference Include="Microsoft.Extensions.Http.Resilience" Version="9.6.0" />
|
<PackageReference Include="Microsoft.EntityFrameworkCore.Sqlite" Version="9.0.13" />
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<PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="9.0.4" />
|
<PackageReference Include="Microsoft.Extensions.Http.Resilience" Version="9.10.0" />
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<PackageReference Include="Swashbuckle.AspNetCore" Version="6.6.2" />
|
<PackageReference Include="Swashbuckle.AspNetCore" Version="6.9.0" />
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</ItemGroup>
|
</ItemGroup>
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|
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<Target Name="PostBuild" AfterTargets="PostBuildEvent">
|
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<Exec Command="docker compose up -d db" />
|
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</Target>
|
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|
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</Project>
|
</Project>
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BIN
service/service.db
Normal file
BIN
service/service.db
Normal file
Binary file not shown.
24
show-posts/Post.cs
Normal file
24
show-posts/Post.cs
Normal file
@@ -0,0 +1,24 @@
|
|||||||
|
using System.ComponentModel.DataAnnotations;
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|
using System.ComponentModel.DataAnnotations.Schema;
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|
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|
[Table("posts")]
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|
public class Post
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|
{
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|
[Key]
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|
[Column("id")]
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|
public int Id { get; set; }
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|
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|
[Column("user_id")]
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|
public int UserId { get; set; }
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|
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|
[Column("title")]
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|
[Required]
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|
public string Title { get; set; } = string.Empty;
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|
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|
[Column("body")]
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|
[Required]
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|
public string Body { get; set; } = string.Empty;
|
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|
|
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|
[Column("updated_at")]
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|
public DateTimeOffset UpdatedAt { get; set; } = DateTimeOffset.Parse("1970-01-01T00:00:00Z"); // TODO: Remove the default value in Phase 3.
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|
}
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20
show-posts/PostsDbContext.cs
Normal file
20
show-posts/PostsDbContext.cs
Normal file
@@ -0,0 +1,20 @@
|
|||||||
|
using Microsoft.EntityFrameworkCore;
|
||||||
|
|
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|
public class PostsDbContext : DbContext
|
||||||
|
{
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|
protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
|
||||||
|
{
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|
var currentDir = System.IO.Directory.GetCurrentDirectory();
|
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|
int showPostsIndex = currentDir.IndexOf("show-posts");
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|
if (showPostsIndex > -1)
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||||||
|
{
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||||||
|
// Running from the bin directory, get the parent of "show-posts".
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||||||
|
currentDir = currentDir.Substring(0, showPostsIndex - 1);
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||||||
|
}
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|
string repoRoot = currentDir;
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||||||
|
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||||||
|
optionsBuilder.UseSqlite($"Data Source={repoRoot}/service/service.db;Mode=ReadOnly;");
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||||||
|
}
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|
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||||||
|
public DbSet<Post> Posts { get; set; }
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|
}
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||||||
4
show-posts/Program.cs
Normal file
4
show-posts/Program.cs
Normal file
@@ -0,0 +1,4 @@
|
|||||||
|
using table.lib;
|
||||||
|
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||||||
|
using var context = new PostsDbContext();
|
||||||
|
Table<Post>.Add(context.Posts.ToList()).ToConsole();
|
||||||
17
show-posts/show-posts.csproj
Normal file
17
show-posts/show-posts.csproj
Normal file
@@ -0,0 +1,17 @@
|
|||||||
|
<Project Sdk="Microsoft.NET.Sdk">
|
||||||
|
|
||||||
|
<PropertyGroup>
|
||||||
|
<OutputType>Exe</OutputType>
|
||||||
|
<TargetFramework>net8.0</TargetFramework>
|
||||||
|
<RootNamespace>show_posts</RootNamespace>
|
||||||
|
<ImplicitUsings>enable</ImplicitUsings>
|
||||||
|
<Nullable>enable</Nullable>
|
||||||
|
</PropertyGroup>
|
||||||
|
|
||||||
|
<ItemGroup>
|
||||||
|
<PackageReference Include="Microsoft.EntityFrameworkCore" Version="9.0.13" />
|
||||||
|
<PackageReference Include="Microsoft.EntityFrameworkCore.Sqlite" Version="9.0.13" />
|
||||||
|
<PackageReference Include="table.lib" Version="1.17.0" />
|
||||||
|
</ItemGroup>
|
||||||
|
|
||||||
|
</Project>
|
||||||
Reference in New Issue
Block a user