A New Look

Dockerfile

@@ -1,14 +1,54 @@
-FROM buildpack-deps:jessie
+FROM ubuntu:15.04
 
-ENV VARNISH_VERSION 4.0.3-2~jessie
+ENV DEBIAN_FRONTEND noninteractive
 
-RUN apt-get update \
-        && apt-get install apt-transport-https \
-        && curl https://repo.varnish-cache.org/GPG-key.txt | apt-key add - \
-        && echo "deb https://repo.varnish-cache.org/debian/ jessie varnish-4.0" >> /etc/apt/sources.list.d/varnish-cache.list \
-        && apt-get update \
-        && apt-get install -y varnish=$VARNISH_VERSION
+# Update apt sources
+#RUN echo "deb http://archive.ubuntu.com/ubuntu precise main universe" > /etc/apt/sources.list
 
-COPY varnish.vcl /etc/varnish.vcl
+# Update the package repository
+RUN apt-get -qq update
 
-CMD ["varnishd", "-F", "-f", "/etc/varnish.vcl"]
+# Install base system
+RUN apt-get install -y vim git dpkg-dev curl \
+    # Varnish build dependencies.
+    automake autotools-dev libedit-dev libjemalloc-dev libncurses-dev libpcre3-dev libtool pkg-config python-docutils python-sphinx graphviz
+
+# Build Varnish from source because that's required to install Varnish modules :D
+RUN cd /usr/local/src/ && apt-get source varnish && \
+    cd varnish-4.0.2 && \
+    sh autogen.sh && \
+    sh configure && \
+    make && \
+    make install
+
+# RUN apt-get install -y build-essential libtool
+
+# Install Querystring Varnish module
+RUN cd /usr/local/src/ && \
+    git clone https://github.com/Dridi/libvmod-querystring && \
+    cd /usr/local/src/libvmod-querystring && \
+    ./autogen.sh && \
+    ./configure VARNISHSRC=/usr/local/src/varnish-4.0.2 && \
+    make  && \
+    make install && \
+    make check
+
+# Varnish shared library installs to obscure location, so make that available via ldconfig.
+# This seems awkward, I wonder if there's a way to stipulate putting this shared object file
+# in `/usr/lib/`. Granted I know nothing about UNIX folder layout.
+RUN ldconfig && ldconfig -n /usr/local/lib/
+
+# Make our custom VCLs available on the container
+ADD default.vcl /etc/varnish/default.vcl
+
+# Export environment variables
+ENV VARNISH_PORT 80
+
+# Expose port 80
+EXPOSE 80
+
+ADD start /start
+
+RUN chmod 0755 /start
+
+CMD ["/start"]

default.vcl

@@ -0,0 +1,70 @@
+# This is an example VCL file for Varnish.
+#
+# It does not do anything by default, delegating control to the
+# builtin VCL. The builtin VCL is called when there is no explicit
+# return statement.
+#
+# See the VCL chapters in the Users Guide at https://www.varnish-cache.org/docs/
+# and http://varnish-cache.org/trac/wiki/VCLExamples for more examples.
+
+# Marker to tell the VCL compiler that this VCL has been adapted to the
+# new 4.0 format.
+vcl 4.0;
+
+# https://github.com/Dridi/libvmod-querystring
+import querystring;
+
+# Default backend definition. Set this to point to your content server.
+backend nytco {
+	# todo define back-end host
+	.host = "nginx";
+	.port = "8080";
+}
+
+# Define an access control list to restrict cache purging.
+acl purge {
+	"192.168.33.1"/8;
+}
+
+sub vcl_recv {
+	# todo define host name
+	#if (req.http.host == "{{environment-specific-hostname}}") {
+	#	set req.backend_hint = nytco;
+	#}
+	# Fall-through for admin interface requests
+	if (req.url~ "^/wp-admin/") {
+		return (pass);
+	}
+
+	# Purge the cache if the client is allowed to.
+	if (req.method == "PURGE") {
+		if (!client.ip ~ purge) {
+			return(synth(405,"Not allowed."));
+		}
+		return (purge);
+	}
+
+	set req.http.host = "dev.nytco.com";
+	# Remove querystrings.
+	set req.url = querystring.remove(req.url);
+
+	# Ignore all cookies.
+	unset req.http.cookie;
+}
+
+sub vcl_backend_response {
+	# Happens after we have read the response headers from the backend.
+	#
+	# Here you clean the response headers, removing silly Set-Cookie headers
+	# and other mistakes your backend does.
+}
+
+sub vcl_deliver {
+	# Fall-through for dev that doesn't work right now. Prob need to do something with beresp too.
+	set resp.http.age = "0";
+
+	# Happens when we have all the pieces we need, and are about to send the
+	# response to the client.
+	#
+	# You can do accounting or modifying the final object here.
+}

start

@@ -0,0 +1,8 @@
+#!/bin/bash
+
+# Parse the environment variables and auto-create the default.vcl file
+# /parse
+
+# Start varnish and log
+varnishd -F -f /etc/varnish/default.vcl -s malloc,100M -a 0.0.0.0:${VARNISH_PORT}
+# varnishlog