Friedrich Ewald My Personal Website


  • Apple's COVID Mobility Data

    Apple’s data has now been published as an R package. The visualizations for the linked blog post can be found in this repository.

  • 413 Request Entity Too Large in nginx k8s ingress

    I wanted to enable a file upload. Whenever I was uploading I received the error code “413 Request Entity Too Large” from the nginx ingress controller in kubernetes. I found the solution here. Use the following annotation to allow unlimited upload size: "0"
    In my case, the ingress file definition now looks like this:
    apiVersion: # for versions before 1.14 use extensions/v1beta1
    kind: Ingress
      name: my-name
      namespace: my-namespace
      annotations: /$1 "0"
      # The specs, omitted for readability

  • Launching

    Today, I am launching I was always looking for a solution to keep a journal which is online but private - something which is very hard to find across all the available social networks. The following features are essential to me:

    • A quick way to write down a thought, long or short
    • Ability to upload and annotate pictures
    • Location history
    These kinds of data is obviously very sensitive and I believe some things should stay private. For this reason I created Writic. I wanted to create the ability to access this data from anywhere where there is internet and also at the same time offer access from the smartphone as well as the browser. Many of the apps I have tested do either one thing only or are full of features I don’t really require. With Writic, I am trying to keep it simple and avoid any clutter, especially ads and selling of any personal data. I am planning to keep it initially free of charge and later introduce either a pay-what-you-want or a minimal fee like $1/month, depending on the user base. Another option I am considering is a “pro” version with more advanced features. Things I am currently considering for the roadmap are:
    • Favorite posts, to give the ability to highlight certain entries in the future
    • Throwbacks, showing favorite posts or an “on this day”-feature
    • Mood Tracker, to keep track of the mood throughout the day. This can either be a manual approach with three smilies or something automated like sentiment analysis.

  • Things learned the hard way

    Interesting list of things that the author learned the hard way

    Sometimes, you’ll have to say no: No, I can’t do it; no, it can’t be made in this time; no, I don’t feel capable of doing this; no, I don’t feel comfortable writing this.

  • The Getty Center - Los Angeles, CA

    The Getty Center, Los Angeles, California, USA Perfect weather and beautiful view.

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