Research and implement observability stack

[riccardomc]

We will need to provide a way for the users of application to look into the health and status of their application. This includes at least:

• Logging
• Monitoring

The preferred solution would be to have a minimal functionality in the platform itself and offload more complex use-cases to third party services by offering integration capabilities:

• ship logs to logz.io
• metrics to an external prometheus such as MetricFire

It would be great to have this functionality in the PoC, however it is a stretch goal. The real milestone is the Free Tier.