Q:SqlException: Cannot insert explicit value for identity column in table 'Products' when IDENTITY_INSERT is set to OFF.
A:DbContext AttachRange => AddRange

• docker-compose up sqlserver comes up fine.
• But, this gives error.
  PS C:\Users\HP\Documents\GitHub\pro-asp.net-core-3\Update for ASP.NET Core 5 and .NET 5.0\Chapter 11\End of Chapter\SportsSln\SportsStore> docker-compose up sportsstore
  Building sportsstore
  Step 1/7 : FROM mcr.microsoft.com/dotnet/aspnet:5.0
  ---> 90d6c17b87c2
  Step 2/7 : FROM mcr.microsoft.com/dotnet/sdk:5.0
  ---> e735190c5cb9
  Step 3/7 : COPY /bin/Release/net5.0/publish/ SportsStore/
  ERROR: Service 'sportsstore' failed to build: COPY failed: stat /mnt/sda1/var/lib/docker/tmp/docker-builder955742051/bin/Release/net5.0/publish: no such file or directory
  PS C:\Users\HP\Documents\GitHub\pro-asp.net-core-3\Update for ASP.NET Core 5 and .NET 5.0\Chapter 11\End of Chapter\SportsSln\SportsStore>

In the section "Testing the Placeholder Components" beneath Listing 37-11, the second paragraph says the following: "Using the PowerShell command prompt, run the following commands from within the Advanced project folder." There is no list of commands or an image of the commands. The image below the paragraph shows the final steps which are to click on the Counter and Fetch Data links.

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