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Open docker-examples/custom-images/docker-compose.override.yml and add the image digizuiternd/dfs:10.1.0 to cm.
Open docker-examples/custom-images/docker/build/cm/Dockerfile and add the folowing.
Open docker-examples/custom-images/docker-compose.override.yml and add the image digizuiternd/dfs:10.1.0 to mssql-init
Open docker-examples/custom-images/docker/build/mssql-init/Dockerfile and add the folowing.
Add dynamic configuration + transform the web.config.
To add the dfs patch configuration file (DFS 10.1.0 - 3 Setting up Sitecore ), go to the folder custom-images/docker/deploy/website.
Create the folder path App_Config\Include\damforsitecore. Here you place the DFS config patch file.
Next, we want to add the DFS media handler to the web.config. Open custom-images/docker/build/cm/transforms/Web.config.xdt and add this.The DAM for Sitecore module comes with 2 custom solr indexes named dfs_assets_master_index and dfs_assets_web_index. We used this guide https://sitecore.namics.com/custom-solr-indexes-and-config-sets-in-sitecore-docker-containers/ .