Osrm-backend: Docker run paths (e.g. with custom lua)

[brunosan]

I am confused following the docker documentation.
The default run, as it explains is straight forward, but I don't know how to specify custom luas.

I suspect this is more a docker question than a osrm. If so, apologies, and please point me in the right direction :)

This is the case:

➜ ls
bhutan-15-5-17.o5m
truck.lua

➜ docker run -t -v $(pwd):/data osrm/osrm-backend osrm-extract -p /opt/car.lua /data/bhutan-15-5-17.o5m
[info] Using script /opt/car.lua
[info] Input file: bhutan-15-5-17.o5m
[info] Profile: car.lua
...

This work ok, as documented (Even when I don't understand why it's /data/bhutan-15-5-17.o5m and not bhutan-15-5-17.o5m ).

However, if it try to use the truck.lua of the same folder (same as car.lua, but changing max speeds), it fails with

➜ docker run -t -v $(pwd):/data osrm/osrm-backend osrm-extract -p /opt/truck.lua /data/bhutan-15-5-17.o5m
[error] Profile truck.lua not found!

[brunosan]

I asked this in IRC, and danieljh answered and explained it.

The "-v $(pwd):/data" part tells Docker to mount your current working directory to "/data" inside the container. So when you refer to file ./myfile inside the Docker container it will be at /data/myfile.

Hence this works:

➜ docker run -t -v $(pwd):/data osrm/osrm-backend osrm-extract -p /data/truck.lua /data/bhutan-15-5-17.o5m

[aginpatrick]

Hi @brunosan Can you explain me why you use /opt for car profile and /data for truck profile? I ask the question because I try to solve my own docker issue (my "truck" profile is not found) even if I try to change opt for data.

[aginpatrick]

@brunosan I finally realized that /opt directory is built into the Dockerfile. So I put my truck.lua profile in /profiles, rebuild the docker, use -p /opt/truck.lua as a parameter for osrm-extract and it works.

[brunosan]

Sorry for the late reply, glad you found a fix, and that you posted it here for others to see :) 🎉

[Steffaan]

@brunosan, @aginpatrick : I'm sorry to bother you and I know this is a bit off topic, but I'm working on a truck profile. Would you be willing to share yours with me?