Docker maybe

exercise.wwwapi/.dockerignore

@@ -0,0 +1,37 @@
+# Ignore build outputs
+bin/
+obj/
+
+# User secrets, local settings
+*.user
+*.swp
+*.suo
+*.userosscache
+*.sln.docstates
+
+# IDE directories
+.vs/
+.vscode/
+.idea/
+
+# Logs and temp
+*.log
+**/logs/
+**/LogFiles/
+
+# Dotnet artifacts
+artifacts/
+TestResults/
+.nuget/
+
+# Git
+.git/
+.gitignore
+.gitattributes
+
+# Misc
+Dockerfile.*
+**/*.db
+**/*.sqlite
+*.DS_Store
+Thumbs.db

exercise.wwwapi/Configuration/ConfigurationSettings.cs

@@ -6,7 +6,11 @@ public class ConfigurationSettings : IConfigurationSettings
 
     public ConfigurationSettings()
     {
-        _configuration = new ConfigurationBuilder().AddJsonFile("appsettings.json").AddUserSecrets<Program>().Build();
+        _configuration = new ConfigurationBuilder()
+            .AddJsonFile("appsettings.json", optional: true)
+            .AddUserSecrets<Program>(optional: true)
+            .AddEnvironmentVariables()
+            .Build();
     }
 
     public string GetValue(string key)

exercise.wwwapi/Data/DataContext.cs

@@ -1,4 +1,5 @@
 using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Diagnostics;
 
 namespace exercise.wwwapi.Data;
 
@@ -9,6 +10,12 @@ public DataContext(DbContextOptions<DataContext> options) : base(options)
         Database.EnsureCreated();
     }
 
+    protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
+    {
+        optionsBuilder.ConfigureWarnings(w => w.Ignore(RelationalEventId.PendingModelChangesWarning));
+        base.OnConfiguring(optionsBuilder);
+    }
+
     protected override void OnModelCreating(ModelBuilder modelBuilder)
     {
         base.OnModelCreating(modelBuilder);

exercise.wwwapi/Data/ModelSeeder.cs

@@ -10,6 +10,7 @@ public class ModelSeeder
 {
     private static readonly DateTime _seedTime = new DateTime(2025, 01, 01, 0, 0, 0, DateTimeKind.Utc);
 
+    private readonly Random _random = new(123456);
     private static string[] _passwordHashes =
     [
         "$2a$11$NlNrSkH2Uop6Nl90BHeF9udj/s5N79m9j94htBwtiwPMzoJ5EXozW", // Test1test1%
@@ -177,7 +178,7 @@ public class ModelSeeder
     private List<Module> _modules = new List<Module>();
     private List<CourseModule> _courseModules = new List<CourseModule>();
     private List<UserExercise> _userExercises = new List<UserExercise>();
-    
+
 
 
     public  void Seed(ModelBuilder modelBuilder)
@@ -265,20 +266,19 @@ public  void Seed(ModelBuilder modelBuilder)
 
         for (int i = 6; i < 50; i++)
         {
-            Random userRandom = new Random();
-            var firstname = _firstnames[userRandom.Next(_firstnames.Count)];
-            var lastname = _lastnames[userRandom.Next(_lastnames.Count)];
+            var firstname = _firstnames[_random.Next(_firstnames.Count)];
+            var lastname = _lastnames[_random.Next(_lastnames.Count)];
             var username = $"{firstname}{lastname}{i}";
             User user = new User()
             {
                 Id = i,
                 FirstName = firstname,
                 LastName = lastname,
                 Username = username,
-                Email = $"{username}@{_domain[userRandom.Next(_domain.Count)]}",
+                Email = $"{username}@{_domain[_random.Next(_domain.Count)]}",
                 PasswordHash = _passwordHashes[5],
-                Role = _roles[userRandom.Next(_roles.Count)],
-                Mobile = userRandom.Next(12345678, 23456789).ToString(),
+                Role = _roles[_random.Next(_roles.Count)],
+                Mobile = _random.Next(12345678, 23456789).ToString(),
                 Github = $"{username}git",
                 Bio = $"{_firstword[userRandom.Next(_firstword.Count)]}{_secondword[userRandom.Next(_secondword.Count)]}{_thirdword[userRandom.Next(_thirdword.Count)]}",
                 PhotoUrl = ""
@@ -329,12 +329,11 @@ public  void Seed(ModelBuilder modelBuilder)
 
         for (int i = 6; i < 20; i++)
         {
-            Random postRandom = new Random();
             Post p = new Post()
             {
                 Id = i,
-                AuthorId = postRandom.Next(_users.Count),
-                Body = $"{_firstPart[postRandom.Next(_firstPart.Count)]} {_lastPart[postRandom.Next(_lastPart.Count)]}",
+                AuthorId = _random.Next(_users.Count),
+                Body = $"{_firstPart[_random.Next(_firstPart.Count)]} {_lastPart[_random.Next(_lastPart.Count)]}",
                 CreatedAt = _seedTime
             };
             _posts.Add(p);
@@ -392,15 +391,14 @@ public  void Seed(ModelBuilder modelBuilder)
 
         for (int i = 6; i < 50; i++)
         {
-            Random commentRandom = new Random();
-            int postId = _posts[commentRandom.Next(_posts.Count)].Id;
-            int userId = _users[commentRandom.Next(_users.Count)].Id;
+            int postId = _posts[_random.Next(_posts.Count)].Id;
+            int userId = _users[_random.Next(_users.Count)].Id;
             Comment c = new Comment
             {
                 Id = i,
                 PostId = postId,
                 UserId = userId,
-                Body = _commentText[commentRandom.Next(_commentText.Count)],
+                Body = _commentText[_random.Next(_commentText.Count)],
                 CreatedAt = _seedTime,
             };
             _comments.Add(c);
@@ -528,9 +526,8 @@ public  void Seed(ModelBuilder modelBuilder)
 
         for (int i = 4; i <= _users.Count; i++)
         {
-            Random userCCRandom = new Random();
             var userId = i;
-            var ccId = _cohortCourses[userCCRandom.Next(_cohortCourses.Count)].Id;
+            var ccId = _cohortCourses[_random.Next(_cohortCourses.Count)].Id;
 
             UserCC ucc = new UserCC
             {
@@ -761,13 +758,12 @@ public  void Seed(ModelBuilder modelBuilder)
             var user = _users[i];
             if (user.Role == Role.Student)
             {
-                Random noteRandom = new Random();
                 Note n = new Note
                 {
                     Id = noteId++,
                     UserId = user.Id,
                     Title = $"Note for {user.FirstName}",
-                    Content = _commentText[noteRandom.Next(_commentText.Count)],
+                    Content = _commentText[_random.Next(_commentText.Count)],
                     CreatedAt = _seedTime,
                     UpdatedAt = _seedTime
                 };

exercise.wwwapi/Dockerfile

@@ -0,0 +1,22 @@
+# syntax=docker/dockerfile:1
+FROM mcr.microsoft.com/dotnet/sdk:9.0 AS build
+WORKDIR /src
+ARG BUILD_CONFIGURATION=Release
+COPY ["exercise.wwwapi.csproj", "./"]
+RUN dotnet restore "./exercise.wwwapi.csproj"
+COPY . .
+RUN dotnet publish "./exercise.wwwapi.csproj" \
+    -c $BUILD_CONFIGURATION \
+    -o /app/publish \
+    --no-restore \
+    /p:UseAppHost=false
+FROM mcr.microsoft.com/dotnet/aspnet:9.0 AS final
+WORKDIR /app
+ENV ASPNETCORE_URLS=http://+:8080
+ENV ASPNETCORE_ENVIRONMENT=Production
+ENV DOTNET_EnableDiagnostics=0
+EXPOSE 8080
+COPY --from=build --chown=app:app /app/publish .
+USER app
+ENTRYPOINT ["dotnet", "exercise.wwwapi.dll"]
+

exercise.wwwapi/Program.cs

@@ -75,23 +75,13 @@
     }
     else
     {
-        var host = builder.Configuration["Neon:Host"];
-        var database = builder.Configuration["Neon:Database"];
-        var username = builder.Configuration["Neon:Username"];
-        var password = builder.Configuration["Neon:Password"];
-
         const string defaultConnectionName = "DefaultConnection";
         var connectionString = builder.Configuration.GetConnectionString(defaultConnectionName);
-        if (connectionString == null)
+        if (string.IsNullOrWhiteSpace(connectionString))
         {
             throw new Exception("Could not find connection string with name: " + defaultConnectionName);
         }
 
-        connectionString = connectionString.Replace("${Neon:Host}", host);
-        connectionString = connectionString.Replace("${Neon:Database}", database);
-        connectionString = connectionString.Replace("${Neon:Username}", username);
-        connectionString = connectionString.Replace("${Neon:Password}", password);
-
         options.UseNpgsql(connectionString);
         options.LogTo(message => Debug.WriteLine(message));
     }