a few fixes

Dockerfile

@@ -1,12 +1,9 @@
-FROM denoland/deno:alpine-1.48.0
+FROM denoland/deno:alpine-2.4.2
 
 # Set working directory
 WORKDIR /app
 
-# Copy only necessary files
-COPY deno.json .
 COPY . .
-COPY static/img/ static/img/
 
 # Cache dependencies
 RUN deno cache app.ts
@@ -21,4 +18,4 @@ USER appuser
 # Start application
 # Note: Set SERVICE_DOMAIN environment variable to configure your domain
 # Example: docker run -e SERVICE_DOMAIN=my-ipv4-service.example.com ...
-CMD ["run", "--allow-net", "--allow-read", "src/app.ts"]
+CMD ["run", "--allow-net", "--allow-env=SERVICE_DOMAIN", "--allow-read=./static,./views", "app.ts"]