FROM field in each Dockerfile is version specific

fix issue #1

example:
VERSION=local make ball

should build all Dockerfile FROM field with 'local' tag

Hub/Dockerfile.txt

@@ -0,0 +1,25 @@
+MAINTAINER Selenium <selenium-developers@googlegroups.com>
+
+#========================
+# Selenium Configuration
+#========================
+
+EXPOSE 4444
+
+ENV GRID_NEW_SESSION_WAIT_TIMEOUT -1
+ENV GRID_JETTY_MAX_THREADS -1
+ENV GRID_NODE_POLLING  5000
+ENV GRID_CLEAN_UP_CYCLE 5000
+ENV GRID_TIMEOUT 30000
+ENV GRID_BROWSER_TIMEOUT 0
+ENV GRID_MAX_SESSION 5
+ENV GRID_UNREGISTER_IF_STILL_DOWN_AFTER 30000
+
+COPY generate_config /opt/selenium/generate_config
+COPY entry_point.sh /opt/bin/entry_point.sh
+RUN chown -R seluser /opt/selenium
+
+USER seluser
+
+CMD ["/opt/bin/entry_point.sh"]
+

Hub/generate.sh

@@ -0,0 +1,5 @@
+#!/bin/bash
+VERSION=$1
+
+echo FROM selenium/base:$VERSION > ./Dockerfile
+cat ./Dockerfile.txt >> ./Dockerfile

Makefile

@@ -11,16 +11,28 @@ ci: build test
 base:
 	cd ./Base && docker build -t $(NAME)/base:$(VERSION) .
 
-hub: base
+generate_hub:
+	cd ./Hub && ./generate.sh $(VERSION)
+
+hub: base generate_hub
 	cd ./Hub && docker build -t $(NAME)/hub:$(VERSION) .
 
-nodebase: base
+generate_nodebase:
+	cd ./NodeBase && ./generate.sh $(VERSION)
+
+nodebase: base generate_nodebase
 	cd ./NodeBase && docker build -t $(NAME)/node-base:$(VERSION) .
 
-chrome: nodebase
+generate_chrome:
+	cd ./NodeChrome && ./generate.sh $(VERSION)
+
+chrome: nodebase generate_chrome
 	cd ./NodeChrome && docker build -t $(NAME)/node-chrome:$(VERSION) .
 
-firefox: nodebase
+generate_firefox:
+		cd ./NodeFirefox && ./generate.sh $(VERSION)
+
+firefox: nodebase generate_firefox
 	cd ./NodeFirefox && docker build -t $(NAME)/node-firefox:$(VERSION) .
 
 generate_standalone_firefox:

NodeBase/Dockerfile.txt

@@ -0,0 +1,38 @@
+MAINTAINER Selenium <selenium-developers@googlegroups.com>
+
+ENV DEBIAN_FRONTEND noninteractive
+ENV DEBCONF_NONINTERACTIVE_SEEN true
+
+#===================
+# Timezone settings
+# Possible alternative: https://github.com/docker/docker/issues/3359#issuecomment-32150214
+#===================
+ENV TZ "US/Pacific"
+RUN echo "US/Pacific" | sudo tee /etc/timezone \
+  && dpkg-reconfigure --frontend noninteractive tzdata
+
+#==============
+# VNC and Xvfb
+#==============
+RUN apt-get update -qqy \
+  && apt-get -qqy install \
+    xvfb \
+  && rm -rf /var/lib/apt/lists/*
+
+#==============================
+# Scripts to run Selenium Node
+#==============================
+COPY entry_point.sh /opt/bin/entry_point.sh
+RUN chmod +x /opt/bin/entry_point.sh
+
+#============================
+# Some configuration options
+#============================
+ENV SCREEN_WIDTH 1360
+ENV SCREEN_HEIGHT 1020
+ENV SCREEN_DEPTH 24
+ENV DISPLAY :99.0
+
+USER seluser
+
+CMD ["/opt/bin/entry_point.sh"]

NodeBase/generate.sh

@@ -0,0 +1,5 @@
+#!/bin/bash
+VERSION=$1
+
+echo FROM selenium/base:$VERSION > ./Dockerfile
+cat ./Dockerfile.txt >> ./Dockerfile

NodeChrome/Dockerfile.txt

@@ -0,0 +1,39 @@
+MAINTAINER Selenium <selenium-developers@googlegroups.com>
+
+USER root
+
+#===============
+# Google Chrome
+#===============
+RUN wget -q -O - https://dl-ssl.google.com/linux/linux_signing_key.pub | apt-key add - \
+  && echo "deb http://dl.google.com/linux/chrome/deb/ stable main" >> /etc/apt/sources.list.d/google-chrome.list \
+  && apt-get update -qqy \
+  && apt-get -qqy install \
+    google-chrome-stable \
+  && rm /etc/apt/sources.list.d/google-chrome.list \
+  && rm -rf /var/lib/apt/lists/*
+
+#==================
+# Chrome webdriver
+#==================
+ENV CHROME_DRIVER_VERSION 2.15
+RUN wget --no-verbose -O /tmp/chromedriver_linux64.zip http://chromedriver.storage.googleapis.com/$CHROME_DRIVER_VERSION/chromedriver_linux64.zip \
+  && rm -rf /opt/selenium/chromedriver \
+  && unzip /tmp/chromedriver_linux64.zip -d /opt/selenium \
+  && rm /tmp/chromedriver_linux64.zip \
+  && mv /opt/selenium/chromedriver /opt/selenium/chromedriver-$CHROME_DRIVER_VERSION \
+  && chmod 755 /opt/selenium/chromedriver-$CHROME_DRIVER_VERSION \
+  && ln -fs /opt/selenium/chromedriver-$CHROME_DRIVER_VERSION /usr/bin/chromedriver
+
+#========================
+# Selenium Configuration
+#========================
+COPY config.json /opt/selenium/config.json
+
+#=================================
+# Chrome Launch Script Modication
+#=================================
+COPY chrome_launcher.sh /opt/google/chrome/google-chrome
+RUN chmod +x /opt/google/chrome/google-chrome
+
+USER seluser

NodeChrome/generate.sh

@@ -0,0 +1,5 @@
+#!/bin/bash
+VERSION=$1
+
+echo FROM selenium/node-base:$VERSION > ./Dockerfile
+cat ./Dockerfile.txt >> ./Dockerfile

NodeFirefox/Dockerfile.txt

@@ -0,0 +1,18 @@
+MAINTAINER Selenium <selenium-developers@googlegroups.com>
+
+USER root
+
+#=========
+# Firefox
+#=========
+RUN apt-get update -qqy \
+  && apt-get -qqy --no-install-recommends install \
+    firefox \
+  && rm -rf /var/lib/apt/lists/*
+
+#========================
+# Selenium Configuration
+#========================
+COPY config.json /opt/selenium/config.json
+
+USER seluser

NodeFirefox/generate.sh

@@ -0,0 +1,5 @@
+#!/bin/bash
+VERSION=$1
+
+echo FROM selenium/node-base:$VERSION > ./Dockerfile
+cat ./Dockerfile.txt >> ./Dockerfile