public Builder setEntrypoint(@Nullable List<String> entrypoint) {
      this.entrypoint = (entrypoint == null) ? null : ImmutableList.copyOf(entrypoint);
      return this;
    }
Sets the entrypoint of the image.

@param entrypoint the list of entrypoint tokens
@return this
jib-core/src/main/java/com/google/cloud/tools/jib/image/Image.java