Failed to build: Error parsing reference: “microsoft/dotnet:2.1-runtime AS base” is not a valid repository/tag:

Question

I got the below error when build docker for console application using .net core.

Step 1/15 : FROM microsoft/dotnet:2.1-runtime AS base Error parsing

Answer 1

Multi-stage builds (which added the FROM ... AS ... syntax along with multiple FROM lines) require 17.05 or newer. You'll need to upgrade your docker server.

For more details on multi-stage builds, see: https://docs.docker.com/develop/develop-images/multistage-build/