Merge pull request #1 from Vutov/master

Docker for BTCPay

.dockerignore

@@ -0,0 +1,2 @@
+Dockerfile
+BTCPayServer.Dockerfile

.gitattributes

@@ -0,0 +1,4 @@
+# Declare files that will always have CRLF line endings on checkout.
+*.sh text eol=lf
+*.go text eol=lf
+Makefile text eol=lf

BTCPayServer.Dockerfile

@@ -0,0 +1,43 @@
+FROM golang:alpine as builder
+
+# 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
+
+# Install dependencies and build the binaries.
+RUN apk add --no-cache \
+    git \
+    make
+
+WORKDIR /go/src/github.com/shelvenzhou/lnd
+COPY . .
+
+RUN make \
+&&  make install
+
+# Start a new, final image.
+FROM alpine as final
+
+# Add bash and ca-certs, for quality of life and SSL-related reasons.
+RUN apk --no-cache add \
+    bash \
+    ca-certificates
+
+ENV LND_DATA /data
+ENV LND_BITCOIND /deps/.bitcoingold
+ENV LND_BTCD /deps/.btcd
+
+RUN mkdir "$LND_DATA" && mkdir "/deps" && mkdir "$LND_BITCOIND" && mkdir "$LND_BTCD" && \
+    ln -sfn "$LND_DATA" /root/.lnd && ln -sfn "$LND_BITCOIND" /root/.bitcoingold && ln -sfn "$LND_BTCD" /root/.btcd
+
+# Define a root volume for data persistence.
+VOLUME /data
+
+# Copy the binaries from the builder image.
+COPY --from=builder /go/bin/lncli /bin/
+COPY --from=builder /go/bin/lnd /bin/
+
+COPY docker-entrypoint.sh /docker-entrypoint.sh
+# Specify the start command and entrypoint as the lnd daemon.
+ENTRYPOINT ["/docker-entrypoint.sh"]
+CMD ["lnd"]

config.go

@@ -1021,14 +1021,7 @@ func parseRPCParams(cConfig *chainConfig, nodeConfig interface{}, net chainCode,
 		case bitcoingoldChain:
 			daemonName = "bgoldd"
 		}
-		// If only one or two of the parameters are set, we assume the
-		// user did that unintentionally.
-		if conf.RPCUser != "" || conf.RPCPass != "" || conf.ZMQPath != "" {
-			return fmt.Errorf("please set all or none of "+
-				"%[1]v.rpcuser, %[1]v.rpcpass, "+
-				"and %[1]v.zmqpath", daemonName)
-		}
-
+
 		switch net {
 		case bitcoingoldChain:
 			confDir = conf.Dir
@@ -1075,7 +1068,15 @@ func parseRPCParams(cConfig *chainConfig, nodeConfig interface{}, net chainCode,
 				" %v, cannot start w/o RPC connection",
 				err)
 		}
-		nConf.RPCUser, nConf.RPCPass, nConf.ZMQPath = rpcUser, rpcPass, zmqPath
+		if nConf.RPCUser == "" {
+			nConf.RPCUser = rpcUser
+		}
+		if nConf.RPCPass == "" {
+			nConf.RPCPass = rpcPass
+		}
+		if nConf.ZMQPath == "" {
+			nConf.ZMQPath = zmqPath
+		}
 	}
 
 	fmt.Printf("Automatically obtained %v's RPC credentials\n", daemonName)

docker-entrypoint.sh

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+#!/bin/bash
+set -e
+
+if [[ "$1" == "lnd" || "$1" == "lncli" ]]; then
+	mkdir -p "$LND_DATA"
+
+	cat <<-EOF > "$LND_DATA/lnd.conf"
+	${LND_EXTRA_ARGS}
+	EOF
+
+    if [[ $LND_CHAIN && $LND_ENVIRONMENT ]]; then
+        echo "LND_CHAIN=$LND_CHAIN"
+        echo "LND_ENVIRONMENT=$LND_ENVIRONMENT"
+
+        NETWORK=""
+
+        shopt -s nocasematch
+        if [[ $LND_CHAIN == "btg" ]]; then
+            NETWORK="bitcoingold"
+        else
+            echo "Unknwon value for LND_CHAIN, expected btc or ltc"
+        fi
+
+        ENV=""
+        # Make sure we use correct casing for LND_Environment
+        if [[ $LND_ENVIRONMENT == "mainnet" ]]; then
+            ENV="mainnet"
+        elif [[ $LND_ENVIRONMENT == "testnet" ]]; then
+            ENV="testnet"
+        elif [[ $LND_ENVIRONMENT == "regtest" ]]; then
+            ENV="regtest"
+        else
+            echo "Unknwon value for LND_ENVIRONMENT, expected mainnet, testnet or regtest"
+        fi
+        shopt -u nocasematch
+
+        if [[ $ENV && $NETWORK ]]; then
+            echo "
+            $NETWORK.active=1
+            $NETWORK.$LND_ENVIRONMENT=1
+            " >> "$LND_DATA/lnd.conf"
+            echo "Added $NETWORK.active and $NETWORK.$LND_ENVIRONMENT to config file $LND_DATA/lnd.conf"
+        else
+            echo "LND_CHAIN or LND_ENVIRONMENT is not set correctly"
+        fi
+    fi
+
+	ln -sfn "$LND_DATA" /root/.lnd
+    ln -sfn "$LND_BITCOIND" /root/.bitcoingold
+    ln -sfn "$LND_BTCD" /root/.btcd
+	exec "$@"
+else
+	exec "$@"
+fi