1  # If you change this please also update GO_VERSION in Makefile (then run
 2  # `make lint` to see where else it needs to be updated as well).
 3  FROM golang:1.25.5-alpine AS builder
 4  
 5  LABEL maintainer="Olaoluwa Osuntokun <laolu@lightning.engineering>"
 6  
 7  # Force Go to use the cgo based DNS resolver. This is required to ensure DNS
 8  # queries required to connect to linked containers succeed.
 9  ENV GODEBUG netdns=cgo
10  
11  # Install dependencies.
12  RUN apk add --no-cache --update alpine-sdk \
13      bash \
14      git \
15      make 
16  
17  # Copy in the local repository to build from.
18  COPY . /go/src/github.com/lightningnetwork/lnd
19  
20  #  Install/build lnd.
21  RUN cd /go/src/github.com/lightningnetwork/lnd \
22      &&  make \
23      &&  make install-all tags="signrpc walletrpc chainrpc invoicesrpc peersrpc kvdb_sqlite"
24  
25  # Start a new, final image to reduce size.
26  FROM alpine AS final
27  
28  # Expose lnd ports (server, rpc).
29  EXPOSE 9735 10009
30  
31  # Copy the binaries and entrypoint from the builder image.
32  COPY --from=builder /go/bin/lncli /bin/
33  COPY --from=builder /go/bin/lnd /bin/
34  
35  # Add bash.
36  RUN apk add --no-cache \
37      bash
38  
39  # Copy the entrypoint script.
40  COPY "docker/lnd/start-lnd.sh" .
41  RUN chmod +x start-lnd.sh