Environment vars documented.

Dockerfile

@@ -9,7 +9,7 @@ RUN apt-get update \
 		gawk subversion mercurial wget gettext \
 	&& rm -rf /var/lib/apt/lists/*
 
-ENV WORKDIR="/usr/local/openwrt" OPENWRT_RELEASE="v15.05.1"
+ENV WORKDIR="/usr/local/openwrt" OPENWRT_RELEASE="master"
 
 WORKDIR $WORKDIR
 

README.md

@@ -5,9 +5,7 @@ This image provides a toolchain to build OpenWRT for different hardware devices.
 
 ## Get the docker image
 
-### Pre-built image
+Prepare a disk volume with 15Gb free to execute this image. 
-
-    docker pull caligari/openwrt-builder
 
 ### From Dockerfile
 
@@ -27,6 +25,8 @@ shows the help:
     docker run -v $(pwd)/src:/usr/local/openwrt/src \
         -e OPENWRT_TARGET=rpi-3 caligari/openwrt-builder
 
+- /usr/local/openwrt/src Directory where OpenWRT sources persist (>= 15Gb).
+
 ### Docker variables
 
     docker run \
@@ -35,6 +35,10 @@ shows the help:
         -e JOBS=3 \
         caligari/openwrt-builder
 
+- OPENWRT\_TARGET Device configuration you are building OpenWRT for.
+- OPENWRT\_RELEASE OpenWRT version tag/branch to build (default is 'master').
+- JOBS Number of parallel jobs to launch with _make_
+
 ### Compile an OpenWRT version to a hardware target
 
 ## Related info

scripts/build.sh

@@ -22,10 +22,11 @@ git checkout $OPENWRT_RELEASE
 
 # set the config file
 cp "$OPENWRT_CONFIGS/$OPENWRT_TARGET.diff" "$OPENWRT_SRC/.config" 
+make defconfig
 
 # update feeds
-./scripts/feeds update -a 
+#./scripts/feeds update -a 
-./scripts/feeds install -a 
+#./scripts/feeds install -a 
 
 # available processors
 if [ -z "$JOBS" ] ; then