code: public static Buffer readResourceToBuffer(@NotNull Class<?> clazz, @NotNull String resource) {
          try {
              Buffer buffer = Buffer.buffer(0);
  
              try (InputStream in = clazz.getResourceAsStream(resource)) {
                  int read;
                  byte[] data = new byte[4096];
                  while ((read = in.read(data, 0, data.length)) != -1) {
                      if (read == data.length) {
                          buffer.appendBytes(data);
                      } else {
                          byte[] slice = new byte[read];
                          System.arraycopy(data, 0, slice, 0, slice.length);
                          buffer.appendBytes(slice);
                      }
                  }
              }
  
              return buffer;
          } catch (IOException ioe) {
              throw new RuntimeException(ioe);
          }
      }
docs: Avoid using this method for constant reads, use it only for one time only reads from resources in the classpath