Nomad changes

docs/snippets/ruby/docker/usage.rb

@@ -0,0 +1,63 @@
+```ruby title="usage.rb"
+require 'open3'
+require 'net/http'
+require 'json'
+
+class DockerKreuzbergClient
+  def initialize(container_name = 'kreuzberg-api', api_port = 8000)
+    @container_name = container_name
+    @api_port = api_port
+    @api_url = "http://localhost:#{api_port}/api/extract"
+  end
+
+  def start_container(image = 'kreuzberg:latest')
+    puts 'Starting Kreuzberg Docker container...'
+    cmd = "docker run -d --name #{@container_name} -p #{@api_port}:8000 #{image}"
+    stdout, stderr, status = Open3.capture3(cmd)
+
+    raise "Failed to start container: #{stderr}" unless status.success?
+
+    puts "Container started on http://localhost:#{@api_port}"
+  end
+
+  def extract_file(file_path)
+    file_content = File.read(file_path, mode: 'rb')
+    boundary = "----WebKitFormBoundary#{SecureRandom.hex(16)}"
+
+    body = "--#{boundary}\r\n"
+    body += "Content-Disposition: form-data; name=\"file\"; filename=\"#{File.basename(file_path)}\"\r\n"
+    body += "Content-Type: application/octet-stream\r\n\r\n"
+    body += file_content
+    body += "\r\n--#{boundary}--\r\n"
+
+    uri = URI(@api_url)
+    http = Net::HTTP.new(uri.host, uri.port)
+    request = Net::HTTP::Post.new(uri.path)
+    request['Content-Type'] = "multipart/form-data; boundary=#{boundary}"
+    request.body = body
+
+    response = http.request(request)
+    result = JSON.parse(response.body)
+    result['content']
+  end
+
+  def stop_container
+    puts 'Stopping Kreuzberg Docker container...'
+    system("docker stop #{@container_name}")
+    system("docker rm #{@container_name}")
+    puts 'Container stopped and removed'
+  end
+end
+
+docker_client = DockerKreuzbergClient.new
+
+begin
+  docker_client.start_container
+  sleep(2)
+
+  content = docker_client.extract_file('document.pdf')
+  puts "Extracted content:\n#{content}"
+ensure
+  docker_client.stop_container
+end
+```