FROM golang:1.12-alpine as builder # Copy in the local repository to build from. COPY . /go/src/github.com/lightningnetwork/loop # Force Go to use the cgo based DNS resolver. This is required to ensure DNS # queries required to connect to linked containers succeed. ENV GODEBUG netdns=cgo # Explicitly turn on the use of modules (until this becomes the default). ENV GO111MODULE on # Install dependencies and install/build lnd. RUN apk add --no-cache --update alpine-sdk \ git \ make \ && cd /go/src/github.com/lightningnetwork/loop/cmd \ && go install ./... # Start a new, final image to reduce size. FROM alpine as final # Expose lnd ports (server, rpc). EXPOSE 8081 11010 # Copy the binaries and entrypoint from the builder image. COPY --from=builder /go/bin/loopd /bin/ COPY --from=builder /go/bin/loop /bin/ # Add bash. RUN apk add --no-cache \ bash \ ca-certificates