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InfluxDB
Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
If your app is really small/short, you're only fetching crime data and rendering a static image, you can probably do it all with a Cloud Function. This way you don't even need to have nor learn about nor use full web frameworks like Flask, Django, Pyramid, etc. Just raw code plus an HTML template and perhaps a tiny bit of Flask/Jinja2 to render the template.
If your app is really small/short, you're only fetching crime data and rendering a static image, you can probably do it all with a Cloud Function. This way you don't even need to have nor learn about nor use full web frameworks like Flask, Django, Pyramid, etc. Just raw code plus an HTML template and perhaps a tiny bit of Flask/Jinja2 to render the template.
You don't need to learn about containers unless that's something you wish to explicitly use to put together your app in a consistent, reproducible manner. Cloud Run is the service that can host your containerized app. If you are in this camp and have learned Docker, you can use that if you wish, but it's optional. Cloud Run (well, Cloud Build, the tool that builds your container for Cloud Run) can build your app by detecting what's in your app so a Dockerfile isn't needed. So like App Engine, Cloud Run can host your full-on web apps if desired. You don't even need to build the container image yourself. Both App Engine and Cloud Run deploy source code directly from the command-line, and along w/Cloud Functions, your app is generally deployed and available globally in less than 60 seconds.