Добавил cors program.cs для фронта

Cloud/Migrations/20241030111034_front.Designer.cs

@@ -0,0 +1,95 @@
+// <auto-generated />
+using Cloud;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace Cloud.Migrations
+{
+    [DbContext(typeof(ApplicationContext))]
+    [Migration("20241030111034_front")]
+    partial class front
+    {
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "6.0.14")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("Cloud.Models.Farm", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("RaspberryMacAddr")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<int>("UserId")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("UserId");
+
+                    b.ToTable("Farms");
+                });
+
+            modelBuilder.Entity("Cloud.Models.User", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("Email")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Password")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Users");
+                });
+
+            modelBuilder.Entity("Cloud.Models.Farm", b =>
+                {
+                    b.HasOne("Cloud.Models.User", "User")
+                        .WithMany("Farms")
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("User");
+                });
+
+            modelBuilder.Entity("Cloud.Models.User", b =>
+                {
+                    b.Navigation("Farms");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

Cloud/Migrations/20241030111034_front.cs

@@ -0,0 +1,19 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace Cloud.Migrations
+{
+    public partial class front : Migration
+    {
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+
+        }
+
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+
+        }
+    }
+}

Cloud/Program.cs

@@ -33,6 +33,17 @@ builder.Services.AddAuthentication(JwtBearerDefaults.AuthenticationScheme)
 builder.Services.AddDbContext<ApplicationContext>(options =>
     options.UseNpgsql("Host=localhost;Port=5438;Database=main_database;Username=postgres;Password=12345"));
 
+// Настройка CORS
+builder.Services.AddCors(options =>
+{
+    options.AddPolicy("AllowFrontendLocalhost", builder =>
+    {
+        builder.WithOrigins("http://localhost:3000") // фронтенд
+               .AllowAnyHeader()
+               .AllowAnyMethod();
+    });
+});
+
 builder.Services.AddControllers();
 builder.Services.AddFluentValidationAutoValidation();
 builder.Services.AddFluentValidationClientsideAdapters();
@@ -85,6 +96,9 @@ if (app.Environment.IsDevelopment())
 
 app.UseHttpsRedirection();
 
+// Включение CORS
+app.UseCors("AllowFrontendLocalhost");
+
 app.UseAuthentication();
 
 app.UseAuthorization();