run a few lightning nodes on a local bitcoin regtest network with settings controlled by environment variables.
LND_VERSION build arg is the version of the lnd container to use as the base image.
docker build \
-t anax32/lnd:latest \
-t anax32/lnd:v0.12.0-beta \
--build-arg LND_VERSION=v0.12.0-beta \
-f Dockerfile.lnd \
.CLN_VERSION build arg is the version of elementsproject/lightningd container to use as the base image.
docker build \
-t anax32/cln:latest \
-t anax32/cln:v0.10.2 \
--build-arg CLN_VERSION=v0.10.2 \
-f Dockerfile.clightning \
.given a running bitcoin node, connect the lnd container to the node with environment variables via:
docker run \
-d \
--rm \
-p 8080:8080 \
--name lnd-node \
-e BITCOIN_RPC_HOST=btc-node \
-e BITCOIN_RPC_USER=me \
-e BITCOIN_RPC_PASS=mypassword1 \
-e BITCOIN_ZMQ_IP=127.0.0.1 \
-e BITCOIN_ZMQ_PUBRAWTX_PORT=28332 \
-e BITCOIN_ZMQ_PUBRAWBLOCK_PORT=28333 \
anax32/lnddocker run \
-d \
--rm \
--name cln-node \
-e BITCOIN_RPC_HOST=btc-node \
-e BITCOIN_RPC_USER=me \
-e BITCOIN_RPC_PASS=mypassword1 \
-e BITCOIN_RPC_PORT=8332 \
-e BITCOIN_ZMQ_IP=127.0.0.1 \
-e BITCOIN_ZMQ_PUBRAWTX_PORT=28332 \
-e BITCOIN_ZMQ_PUBRAWBLOCK_PORT=28333 \
-e CLN_NETWORK=regtest \
-e CLN_WALLET=sqlite3:///data/regtest/lightningd.sqlite3 \
anax32/clnsee ./docker-compose.yaml for an example of a bitcoin node and lnd node orchestration.
note that the number of replicas for the lightning nodes should included in the
ln-node port range (8080-8080+(num-replicas):8080)
test the connections to the bitcoin node by execing into the container
and using nc with the environment variables.
docker exec -it lnd-node /bin/bash
nc -v -z ${BITCOIN_ZMQ_IP}:${BITCOIN_ZMQ_PUBRAWBLOCK_PORT}
nc -v -z ${BITCOIN_ZMQ_IP}:${BITCOIN_ZMQ_PUBRAWTX_PORT}
nc -v -z ${BITCOIN_RCP_HOST}:${BITCOIN_RPC_PORT}all nc calls should report <ip>:<port> open
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