The latest articles on DEV Community by Lou Elston (@loue_iarx). https://dev.to/loue_iarx https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F3867921%2Fe5b89620-cbbe-4a5f-98fd-e50e3e00f6d4.png https://dev.to/loue_iarx en Lou Elston Wed, 08 Apr 2026 14:13:26 +0000 https://dev.to/loue_iarx/build-once-deploy-everywhere-question-5ffo https://dev.to/loue_iarx/build-once-deploy-everywhere-question-5ffo <p>New here, not sure I am in the right place. Trying to follow along on <a href="https://dev.to/ibrahimbioabu/build-once-deploy-everywhere-deploying-a-net-8-api-with-docker-aks-github-actions-4h4o">https://dev.to/ibrahimbioabu/build-once-deploy-everywhere-deploying-a-net-8-api-with-docker-aks-github-actions-4h4o</a>.</p> <p>2.3 Build &amp; Test Container</p> <p><a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fm82r0v2wsggizvt0cyd9.png" class="article-body-image-wrapper"><img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fm82r0v2wsggizvt0cyd9.png" alt=" " width="614" height="261"></a></p> <p>Ended with...<br> ERROR: failed to build: failed to solve: failed to compute cache key: failed to calculate checksum of ref wil4ejbxf8ux5bfumculze42j::glt1esrn4utnnfanocc0zel6y: "/WeatherApp": not found</p> <p>The requirements to follow along state .NET 8 SDK, why then does the Dockerfile FROM's reference 9.0? Is this the problem?</p> beginners webdev