Changed Dockerfile so it uses a special entrypoint script. All parameters are passed through to weed. Depending on the command the entrypoint.sh script adds parameters to link containers.

Dockerfile

@@ -1,21 +0,0 @@
-FROM progrium/busybox
-
-WORKDIR /opt/weed
-
-RUN opkg-install curl
-RUN echo tlsv1 >> ~/.curlrc
-
-RUN \
-  curl -Lks https://bintray.com$(curl -Lk http://bintray.com/chrislusf/seaweedfs/seaweedfs/_latestVersion | grep linux_amd64.tar.gz | sed -n "/href/ s/.*href=['\"]\([^'\"]*\)['\"].*/\1/gp") | gunzip | tar -xf - -C /opt/weed/ && \
-  mkdir ./bin &&  mv ./*/* ./bin && \
-  chmod +x ./bin/weed
-
-EXPOSE 8080
-EXPOSE 9333
-
-VOLUME /data
-
-ENV WEED_HOME /opt/weed
-ENV PATH ${PATH}:${WEED_HOME}/bin
-
-ENTRYPOINT ["weed"]

docker/Dockerfile

@@ -0,0 +1,18 @@
+FROM progrium/busybox
+
+COPY entrypoint.sh /entrypoint.sh
+COPY Dockerfile /etc/Dockerfile
+
+RUN opkg-install curl
+RUN echo tlsv1 >> ~/.curlrc
+
+RUN curl -Lks https://bintray.com$(curl -Lk http://bintray.com/chrislusf/seaweedfs/seaweedfs/_latestVersion | grep linux_amd64.tar.gz | sed -n "/href/ s/.*href=['\"]\([^'\"]*\)['\"].*/\1/gp") | gunzip | tar -xf - && \
+  mv go_*amd64/weed /usr/bin/ && \
+  rm -r go_*amd64
+
+EXPOSE 8080
+EXPOSE 9333
+
+VOLUME /data
+
+ENTRYPOINT ["/entrypoint.sh"]

docker/entrypoint.sh

@@ -0,0 +1,34 @@
+#!/bin/sh
+
+case "$1" in
+
+  'master')
+  	ARGS="-ip `hostname -i` -mdir /data"
+	# Is this instance linked with an other master? (Docker commandline "--link master1:master")
+	if [ -n "$MASTER_PORT_9333_TCP_ADDR" ] ; then
+		ARGS="$ARGS -peers=$MASTER_PORT_9333_TCP_ADDR:$MASTER_PORT_9333_TCP_PORT"
+	fi
+  	/usr/bin/weed $@ $ARGS
+	;;
+
+  'volume')
+  	ARGS="-ip `hostname -i` -dir /data"
+	# Is this instance linked with a master? (Docker commandline "--link master1:master")
+  	if [ -n "$MASTER_PORT_9333_TCP_ADDR" ] ; then
+		ARGS="$ARGS -mserver=$MASTER_PORT_9333_TCP_ADDR:$MASTER_PORT_9333_TCP_PORT"
+	fi
+  	/usr/bin/weed $@ $ARGS
+	;;
+
+  'server')
+  	ARGS="-ip `hostname -i` -dir /data"
+  	if [ -n "$MASTER_PORT_9333_TCP_ADDR" ] ; then
+		ARGS="$ARGS -master.peers=$MASTER_PORT_9333_TCP_ADDR:$MASTER_PORT_9333_TCP_PORT"
+	fi
+  	/usr/bin/weed $@ $ARGS
+  	;;
+
+  *)
+  	/usr/bin/weed $@
+	;;
+esac