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nginx-proxy/Dockerfile
Sebastiaan van Stijn d68be71a3f Optimize Dockerfile.
This optimizes the Dockerfile by;

- Combining RUN statements so that files are removed in the
  same layer as they are added.
- Removing the downloaded .tar.gz of the docker-gen binary
  after expanding
- Adding `--no-install-recommends` (but explicitly installing
  ca-certificates)
- Replacing `ADD` with `COPY` (recommended if no unpacking is
  required)

Also added a `.dockerignore` file to prevent the `.git` directory
and README.md being added to the image.

These changes reduce the size of the image with 34 MB (was 268.4 MB,
now 233.9 MB), and results in less layers being produced.

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
2014-11-26 11:00:01 +01:00

37 lines
1.3 KiB
Docker

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 \
&& 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
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 \
&& 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
COPY . /app/
WORKDIR /app/
EXPOSE 80
ENV DOCKER_HOST unix:///tmp/docker.sock
CMD ["forego", "start", "-r"]