[MapServer-users] Can MapServer cache directly to AWS S3?

Rob Dennett Rob.Dennett at twdb.texas.gov
Wed Mar 5 07:57:43 PST 2025


Is it possible to cache tiles  to and serve them from S3 buckets?  We currently mount S3 folders in EC2 instances one of which is the directory we specify in MAP/IMAGEPATH, but it requires us to use s3fs-fuse and that means we have to use EC2 as opposed to Fargate, which we would prefer.  Can MapServer act as a client to S3?

I have been looking at MapCache, and as far as I can tell, it's a separate server that works alongside a WMS server, although I am not sure that MapServer counts as a WMS server.  We use it to serve geoJSON, UTF grid, etc.  Is it what we want to use for this?

Thanks,
Rob
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