feat: add github workflow for build and release

README.md

@@ -64,6 +64,14 @@ todo-mcp purge
 
 ## Docker
 
+A pre-built image is available from GitHub Container Registry:
+
+```sh
+docker run --rm -v todo-mcp-data:/data -e TODO_DB=/data/todos.db ghcr.io/janezicmatej/todo-mcp --help
+```
+
+Or build locally:
+
 ```sh
 docker build -t local/todo-mcp .
 docker run --rm -v todo-mcp-data:/data -e TODO_DB=/data/todos.db local/todo-mcp --help
@@ -88,8 +96,6 @@ Data is persisted in the `todo-mcp-data` volume. See [Usage](#usage) for more co
 
 ### Docker
 
-Build the image first (see [Docker](#docker)), then add to your Claude MCP config:
-
 ```json
 {
   "mcpServers": {
@@ -99,7 +105,7 @@ Build the image first (see [Docker](#docker)), then add to your Claude MCP confi
         "run", "-i", "--rm",
         "-v", "todo-mcp-data:/data",
         "-e", "TODO_DB=/data/todos.db",
-        "local/todo-mcp", "mcp-serve"
+        "ghcr.io/janezicmatej/todo-mcp", "mcp-serve"
       ]
     }
   }