Api prefix from env

.docker/docker-compose.yaml

@@ -6,6 +6,7 @@ services:
     environment:
       CONNECTIONSTRINGS__INTERNSHIPDATABASE: "Host=db.postgres;Port=5432;Database=postgres;Username=postgres;Password=szwoniu"
       ASPNETCORE_ENVIRONMENT: Development
+      APIPREFIX: /api
     depends_on: 
       - db.postgres
     ports: 
@@ -19,4 +20,3 @@ services:
       PGDATA: /postgres
     ports:
       - 5432:5432
-    

src/InternshipSystem.Api/Startup.cs

@@ -42,7 +42,7 @@ namespace InternshipSystem.Api
             
             app
                 .UseSwagger()
-                .UseSwaggerUI(options => options.SwaggerEndpoint("/api/swagger/v1/swagger.json", "InternshipSystem Api"))
+                .UseSwaggerUI(options => options.SwaggerEndpoint(Path.Join(Configuration.GetValue<string>("ApiPrefix"), "/swagger/v1/swagger.json"), "InternshipSystem Api"))
                 .UseHttpsRedirection()
                 .UseRouting()
                 .UseAuthorization()