Merge pull request #52 from thaJeztah/optimize-dockerfile

Optimize Dockerfile.

.dockerignore

@@ -0,0 +1,2 @@
+.git
+README.md

Dockerfile

@@ -2,28 +2,34 @@ FROM ubuntu:14.04
 MAINTAINER Jason Wilder jwilder@litl.com
 
 # Install Nginx.
-RUN echo "deb http://ppa.launchpad.net/nginx/stable/ubuntu trusty main" > /etc/apt/sources.list.d/nginx-stable-trusty.list
-RUN echo "deb-src http://ppa.launchpad.net/nginx/stable/ubuntu trusty main" >> /etc/apt/sources.list.d/nginx-stable-trusty.list
-RUN apt-key adv --keyserver keyserver.ubuntu.com --recv-keys C300EE8C
-RUN apt-get update
-RUN apt-get install --only-upgrade bash
-RUN apt-get install -y  wget nginx
+RUN echo "deb http://ppa.launchpad.net/nginx/stable/ubuntu trusty main" > /etc/apt/sources.list.d/nginx-stable-trusty.list \
+ && echo "deb-src http://ppa.launchpad.net/nginx/stable/ubuntu trusty main" >> /etc/apt/sources.list.d/nginx-stable-trusty.list \
+ && apt-key adv --keyserver keyserver.ubuntu.com --recv-keys C300EE8C \
+ && apt-get update \
+ && apt-get install -y -q --no-install-recommends \
+    ca-certificates \
+    nginx \
+    wget \
+ && apt-get clean \
+ && rm -r /var/lib/apt/lists/*
+
+# Configure Nginx and apply fix for long server names
+RUN echo "daemon off;" >> /etc/nginx/nginx.conf \
+ && sed -i 's/# server_names_hash_bucket/server_names_hash_bucket/g' /etc/nginx/nginx.conf
+
+ # Install Forego
+RUN wget -P /usr/local/bin https://godist.herokuapp.com/projects/ddollar/forego/releases/current/linux-amd64/forego \
+ && chmod u+x /usr/local/bin/forego
 
-RUN echo "daemon off;" >> /etc/nginx/nginx.conf
-
-#fix for long server names
-RUN sed -i 's/# server_names_hash_bucket/server_names_hash_bucket/g' /etc/nginx/nginx.conf
+ENV DOCKER_GEN_VERSION 0.3.4
 
-RUN wget -P /usr/local/bin https://godist.herokuapp.com/projects/ddollar/forego/releases/current/linux-amd64/forego
-RUN chmod u+x /usr/local/bin/forego
+RUN wget https://github.com/jwilder/docker-gen/releases/download/$DOCKER_GEN_VERSION/docker-gen-linux-amd64-$DOCKER_GEN_VERSION.tar.gz \
+ && tar -C /usr/local/bin -xvzf docker-gen-linux-amd64-$DOCKER_GEN_VERSION.tar.gz \
+ && rm /docker-gen-linux-amd64-$DOCKER_GEN_VERSION.tar.gz
 
-ENV DOCKER_GEN_VERSION 0.3.4
-RUN wget https://github.com/jwilder/docker-gen/releases/download/$DOCKER_GEN_VERSION/docker-gen-linux-amd64-$DOCKER_GEN_VERSION.tar.gz
-RUN tar -C /usr/local/bin -xvzf docker-gen-linux-amd64-$DOCKER_GEN_VERSION.tar.gz
+COPY . /app/
+WORKDIR /app/
 
-RUN mkdir /app
-WORKDIR /app
-ADD . /app
 
 EXPOSE 80
 ENV DOCKER_HOST unix:///tmp/docker.sock