Using docker named volumes

Author: kelostrada

README.md

@@ -27,8 +27,8 @@ Quick Start
 
 1. Create a `bitcoind-data` volume to persist the bitcoind blockchain data, should exit immediately.  The `bitcoind-data` container will store the blockchain when the node container is recreated (software upgrade, reboot, etc):
 
-        docker run --name=bitcoind-data -v /bitcoin busybox chown 1000:1000 /bitcoin
-        docker run --volumes-from=bitcoind-data --name=bitcoind-node -d \
+        docker volume create --name=bitcoind-data
+        docker run -v bitcoind-data:/bitcoin --name=bitcoind-node -d \
             -p 8333:8333 \
             -p 127.0.0.1:8332:8332 \
             kylemanna/bitcoind

bootstrap-host.sh

@@ -35,8 +35,8 @@ if [ "$distro" = "trusty" -o "$distro" = "ubuntu:14.04" ]; then
 fi
 
 # Always clean-up, but fail successfully
-docker kill bitcoind-data bitcoind-node 2>/dev/null || true
-docker rm bitcoind-data bitcoind-node 2>/dev/null || true
+docker kill bitcoind-node 2>/dev/null || true
+docker rm bitcoind-node 2>/dev/null || true
 stop docker-bitcoind 2>/dev/null || true
 
 # Always pull remote images to avoid caching issues
@@ -45,13 +45,13 @@ if [ -z "${BTC_IMAGE##*/*}" ]; then
 fi
 
 # Initialize the data container
-docker run --name=bitcoind-data -v /bitcoin busybox chown 1000:1000 /bitcoin
-docker run --volumes-from=bitcoind-data --rm $BTC_IMAGE btc_init
+docker volume create --name=bitcoind-data
+docker run -v bitcoind-data:/bitcoin --rm $BTC_IMAGE btc_init
 
 # Start bitcoind via upstart and docker
 curl https://raw.githubusercontent.com/kylemanna/docker-bitcoind/master/upstart.init > /etc/init/docker-bitcoind.conf
 start docker-bitcoind
 
 set +ex
 echo "Resulting bitcoin.conf:"
-docker run --volumes-from=bitcoind-data --rm $BTC_IMAGE cat /bitcoin/.bitcoin/bitcoin.conf
+docker run -v bitcoind-data:/bitcoin --rm $BTC_IMAGE cat /bitcoin/.bitcoin/bitcoin.conf

docs/debug.md

@@ -14,4 +14,10 @@
 
 *Note:* This container will be run in the same way as the bitcoind node, but will not connect to already running containers or processes.
 
-    docker run --volumes-from=bitcoind-data --rm -it kylemanna/bitcoind bash -l
+    docker run -v bitcoind-data:/bitcoin --rm -it kylemanna/bitcoind bash -l
+
+You can also attach bash into running container to debug running bitcoind
+
+    docker exec -it bitcoind-node bash -l
+
+

init/docker-bitcoind.service

@@ -25,7 +25,7 @@ ExecStartPre=-/usr/bin/docker rm -f $NAME
 ExecStartPre=-/usr/bin/docker pull $IMG
 
 # Main process
-ExecStart=/usr/bin/docker run --rm --volumes-from ${DATA_VOL} --name ${NAME} -p ${PORT} ${IMG} btc_oneshot $ARGS
+ExecStart=/usr/bin/docker run --rm -v ${DATA_VOL}:/bitcoin --name ${NAME} -p ${PORT} ${IMG} btc_oneshot $ARGS
 
 [Install]
 WantedBy=multi-user.target

init/upstart.init

@@ -11,5 +11,5 @@ pre-start script
   docker pull kylemanna/bitcoind || true
 end script
 script
-  exec docker run --rm --volumes-from=bitcoind-data --name=bitcoind-node --rm -p 8333:8333 -p 127.0.0.1:8332:8332 kylemanna/bitcoind
+  exec docker run --rm -v bitcoind-data:/bitcoin --name=bitcoind-node --rm -p 8333:8333 -p 127.0.0.1:8332:8332 kylemanna/bitcoind
 end script