update Dockerfile and smithery yaml

Author: ezynda3

Dockerfile

@@ -1,23 +1,27 @@
 # Generated by https://smithery.ai. See: https://smithery.ai/docs/config#dockerfile
-FROM golang:alpine AS builder
+FROM golang:1.23-alpine AS builder
 
 WORKDIR /app
 
-# Cache Go modules
+# Copy go.mod and go.sum first for caching dependencies
 COPY go.mod go.sum ./
 
+# Download dependencies
 RUN go mod download
 
 # Copy the source code
 COPY . .
 
-# Build the MCP server binary
-RUN go build -o mcp-filesystem-server main.go
+# Build the application
+RUN go build -ldflags="-s -w" -o server .
 
 FROM alpine:latest
+
 WORKDIR /app
 
 # Copy the built binary from the builder stage
-COPY --from=builder /app/mcp-filesystem-server ./
+COPY --from=builder /app/server ./
 
-ENTRYPOINT ["./mcp-filesystem-server"]
+# The container will by default pass '/app' as the allowed directory if no other command line arguments are provided
+ENTRYPOINT ["./server"]
+CMD ["/app"]

smithery.yaml

@@ -6,28 +6,21 @@ startCommand:
     # JSON Schema defining the configuration options for the MCP.
     type: object
     required:
-      - allowedDirectories
+      - allowedDirectory
     properties:
-      allowedDirectories:
+      allowedDirectory:
+        type: string
+        description: The absolute path to an allowed directory for the filesystem
+          server. For example, in the Docker container '/app' is a good default.
+      additionalDirectories:
         type: array
         items:
           type: string
-        description: List of allowed directories that the MCP server is permitted to access.
-    default:
-      allowedDirectories:
-        - /app
-    description: Configuration for allowed directories to access by the filesystem
-      MCP server.
+        description: Optional additional allowed directories.
   commandFunction:
     # A JS function that produces the CLI command based on the given config to start the MCP on stdio.
     |-
-    (config) => { 
-      // Build the command to run the filesystem MCP server using allowed directories that exist in the container.
-      return {
-        command: './mcp-filesystem-server',
-        args: config.allowedDirectories
-      };
-    }
+    (config) => { const args = [config.allowedDirectory]; if (config.additionalDirectories && Array.isArray(config.additionalDirectories)) { args.push(...config.additionalDirectories); } return { command: './server', args: args }; }
   exampleConfig:
-    allowedDirectories:
-      - /app
+    allowedDirectory: /app
+    additionalDirectories: []