This program was written for a Raspberry Pi using Pimoroni's BMP280 breakout. Chances are it'll also work with the BME280 and BME680, but those are untested.
On the server machine:
$ go get
$ go build -o thermoserver
$ ./thermoserver -H 0.0.0.0
2022/01/13 00:40:06 New reading
2022/01/13 00:40:06 Listening on <server IP>:27315…From another machine on the network:
$ curl <server IP>:27315
{"temperature":18.18,"pressure":1018.5345703125,"updated":"2022-01-13 00:40:16"}