Docker image won't build

[piotrkochan]

sudo docker build -t test/sensor-exporter .
Sending build context to Docker daemon  12.56MB
Step 1/7 : FROM golang:1.8
 ---> 0d283eb41a92
Step 2/7 : ADD sensor-exporter /go/src/github.com/ncabatoff/sensor-exporter
 ---> Using cache
 ---> 004371b0cb2a
Step 3/7 : RUN apt-get update
 ---> Using cache
 ---> 8f773ce96376
Step 4/7 : RUN apt-get --yes install libsensors4-dev
 ---> Using cache
 ---> faf57d0558fd
Step 5/7 : RUN go get github.com/ncabatoff/gosensors github.com/prometheus/client_golang/prometheus && go install github.com/ncabatoff/sensor-exporter
 ---> Running in 12d2da34fabf
# github.com/ncabatoff/sensor-exporter
src/github.com/ncabatoff/sensor-exporter/main.go:69: undefined: prometheus.Handler
The command '/bin/sh -c go get github.com/ncabatoff/gosensors github.com/prometheus/client_golang/prometheus && go install github.com/ncabatoff/sensor-exporter' returned a non-zero code: 2

[piotrkochan]

probably similar to jonnenauha/prometheus_varnish_exporter#45

[piotrkochan]

but this Dockerfile works just great https://hub.docker.com/r/amkay/sensor-exporter/dockerfile 👍

[Redsandro]

Same issue.

Step 5/7 : RUN go get github.com/ncabatoff/gosensors github.com/prometheus/client_golang/prometheus && go install github.com/ncabatoff/sensor-exporter

 ---> Running in 1190ddffcf9a

package github.com/cespare/xxhash/v2: cannot find package "github.com/cespare/xxhash/v2" in any of:
	/usr/local/go/src/github.com/cespare/xxhash/v2 (from $GOROOT)
	/go/src/github.com/cespare/xxhash/v2 (from $GOPATH)

ERROR: Service 'sensor-exporter' failed to build: The command '/bin/sh -c go get github.com/ncabatoff/gosensors github.com/prometheus/client_golang/prometheus && go install github.com/ncabatoff/sensor-exporter' returned a non-zero code: 1

@piotrkochan commented:

but this Dockerfile works just great https://hub.docker.com/r/amkay/sensor-exporter/dockerfile +1

That one is 3 years old.

[Redsandro]

The base image is too old. It needs to be FROM golang:1.9 or higher.

I would create a simple PR, but then a new error pops up:

src/github.com/ncabatoff/sensor-exporter/main.go:69:28: undefined: prometheus.Handler

Not sure how to use this properly @ncabatoff