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Docker Build #1

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7726595
add Dockerfile for Raspberry Pi
schjan Jan 24, 2018
915b8b2
better caching of go dependencies
schjan Jan 24, 2018
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16 changes: 16 additions & 0 deletions Dockerfile
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Original file line number Diff line number Diff line change
@@ -0,0 +1,16 @@
FROM golang:1.9.3-stretch AS build-env

RUN go-wrapper download github.com/golang/dep/cmd/dep && go-wrapper install github.com/golang/dep/cmd/dep

WORKDIR /go/src/github.com/larsp/co2monitor

# only copy Gopkg.toml and Gopkg.lock for now so dep ensure run keeps cached till those files are changed
COPY Gopkg.* ./
RUN dep ensure -v --vendor-only

COPY . ./
RUN CGO_ENABLED=0 GOOS=linux GOARCH=arm GOARM=6 go build -v -ldflags "-w -s" -a -installsuffix cgo -o /out/co2monitor

FROM scratch
COPY --from=build-env /out/co2monitor /
ENTRYPOINT [ "./co2monitor" ]
3 changes: 3 additions & 0 deletions Makefile
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Expand Up @@ -7,6 +7,9 @@ build:
build_pi:
GOOS=linux GOARCH=arm GOARM=6 go build -v

build_docker_pi:
docker build .

test:
go test --race -v ./...

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