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Cleanup Docker image build process to consume less space. SSL might not be working right now.

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Konrad Kleine 2014-09-17 17:39:47 +02:00
parent f75046e08c
commit 94ef95d4fb
2 changed files with 46 additions and 63 deletions
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8
.dockerignore Normal file
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@ -0,0 +1,8 @@
.git
node_modules
dist
.tmp
.saas-cache
bower_components
*~
*.swp

93
Dockerfile
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@ -1,79 +1,55 @@
FROM ubuntu:14.04
MAINTAINER "Konrad Kleine"
########################################################
# Prerequisites
########################################################
RUN apt-get update
RUN apt-get -y upgrade --no-install-recommends --show-progress
RUN apt-get -y install git nodejs nodejs-legacy npm nginx gettext-base
########################################################
# Build
########################################################
ENV NGX_ROOT /usr/share/nginx/html
ENV SOURCE_DIR /tmp/source
ENV START_SCRIPT /root/start-nginx.sh
RUN mkdir $SOURCE_DIR
# This adds everything to the build root except those
# element that are matched by .dockerignore
ADD . $SOURCE_DIR
RUN \
# This is written so compact, to reduce the size of the final container
# and its layers. We have to install build dependencies, build the app,
# deploy the app to the web root, remove the source code, and
# then uninstall the build dependencies. When packed into one RUN
# instruction, the resulting layer will only be comprised of the
# installed app artifacts.
RUN apt-get update && \
apt-get -y install git nodejs nodejs-legacy npm nginx gettext-base && \
mkdir -p $SOURCE_DIR && \
cd $SOURCE_DIR && \
npm install -g yo && \
npm install && \
bower install --allow-root && \
grunt build --allow-root && \
cp -rf $SOURCE_DIR/dist/* $NGX_ROOT
cp -rf $SOURCE_DIR/dist/* $NGX_ROOT && \
rm -rf /tmp/source && \
apt-get purge -y --auto-remove git nodejs nodejs-legacy npm
# Set correct permissions on directories and directories
RUN find $NGX_ROOT -type d -exec chmod 755 {} \;
RUN find $NGX_ROOT -type f -exec chmod 755 {} \;
RUN chown -R www-data:www-data $NGX_ROOT
########################################################
# Configure Nginx
########################################################
# Don't daemonize nginx
RUN echo "\ndaemon off;" >> /etc/nginx/nginx.conf
# Modify the our custom nginx site to forward requests
# to /v1/ to the docker registry host. We have to do this
# on every start of the container since nginx has no
# built-in mechanisms to read from environment variables.
# It has other mechanisms (with Lua or Perl) but they are
# too complicated.
# Add nginx config files for HTTP and HTTPS
ADD nginx-site.conf /root/nginx-site.conf
ADD nginx-site-ssl.conf /root/nginx-site-ssl.conf
ENV START_SCRIPT /root/start-nginx.sh
RUN echo "#!/bin/sh" > $START_SCRIPT
# Remove default site
RUN echo "rm -f /etc/nginx/sites-enabled/*" >> $START_SCRIPT
# Substitute URL to docker registry
RUN echo "cat /root/nginx-site.conf | DOCKER_REGISTRY_URL=\$DOCKER_REGISTRY_URL envsubst '\$DOCKER_REGISTRY_URL' > /etc/nginx/sites-available/registry" >> $START_SCRIPT
# If SSL is requested, copy config to /etc/nginx/conf.d/
# directory from which everyting gets included automatically.
RUN echo "if [ -n \"\$ENABLE_SSL\" ]; then" >> $START_SCRIPT
RUN echo " cat /root/nginx-site-ssl.conf | DOCKER_REGISTRY_URL=\$DOCKER_REGISTRY_URL envsubst '\$DOCKER_REGISTRY_URL' > /etc/nginx/conf.d/registry-ssl" >> $START_SCRIPT
RUN echo "fi" >> $START_SCRIPT
# Enable the "registry" site
RUN echo "ln -sf /etc/nginx/sites-available/registry /etc/nginx/sites-enabled/registry && \\" >> $START_SCRIPT
# Check nginx config and start it
RUN echo "nginx -t && nginx" >> $START_SCRIPT
# Final touches on the app artifacts.
RUN find $NGX_ROOT -type d -exec chmod 755 {} \; && \
find $NGX_ROOT -type f -exec chmod 755 {} \; && \
chown -R www-data:www-data $NGX_ROOT && \
echo "\ndaemon off;" >> /etc/nginx/nginx.conf
RUN chmod +x /root/start-nginx.sh
# Build the start script
RUN echo "#!/bin/sh" > $START_SCRIPT && \
echo "rm -f /etc/nginx/sites-enabled/*" >> $START_SCRIPT && \
echo "cat /root/nginx-site.conf | DOCKER_REGISTRY_URL=\$DOCKER_REGISTRY_URL envsubst '\$DOCKER_REGISTRY_URL' > /etc/nginx/sites-available/registry" >> $START_SCRIPT && \
echo "if [ -n \"\$ENABLE_SSL\" ]; then" >> $START_SCRIPT && \
echo " cat /root/nginx-site-ssl.conf | DOCKER_REGISTRY_URL=\$DOCKER_REGISTRY_URL envsubst '\$DOCKER_REGISTRY_URL' > /etc/nginx/conf.d/registry-ssl" >> $START_SCRIPT && \
echo "fi" >> $START_SCRIPT && \
echo "ln -sf /etc/nginx/sites-available/registry /etc/nginx/sites-enabled/registry && \\" >> $START_SCRIPT && \
echo "nginx -t && nginx" >> $START_SCRIPT && \
chmod +x /root/start-nginx.sh
########################################################
# Cleanup:
# Remove source code and build dependencies
########################################################
RUN rm -rf /tmp/source
RUN apt-get purge -y --auto-remove git nodejs nodejs-legacy npm
# Expose ports.
EXPOSE 80
# Exposed ports
EXPOSE 80 443
# If you wish to run the registry container with SSL,
# you can provide your own SSL server key and your
@ -82,4 +58,3 @@ VOLUME ["/etc/nginx/ssl/server.crt", "/etc/nginx/ssl/server.key"]
# Define default command.
CMD ["/root/start-nginx.sh"]