Configuring TCP service on Elastic Beanstalk ref: http://qiita.com/neofreko/items/2cca6951c9a6cfd92245

00-rebuild-nginx.config

packages:
  yum:
    git: []
    gcc: []
    gcc-c++: []
    make: []
    zlib-devel: []
    pcre-devel: []
    openssl-devel: []
    libxml2-devel: []
    libxslt-devel: []
    patch: []
    gd-devel: []
    perl-ExtUtils-Embed: []
    GeoIP-devel: []
    gperftools-devel: []
files:
  "/root/build-nginx.sh" :
    mode: "000755"
    owner: root
    group: root
    content: |
      rm -rf build
      mkdir ./build ; cd ./build
      wget -O - http://nginx.org/download/nginx-1.6.2.tar.gz | tar xfvz -
      git clone git://github.com/yaoweibin/nginx_tcp_proxy_module

      cd nginx-1.6.2/
      patch -p1 < ../nginx_tcp_proxy_module/tcp.patch

      ./configure --add-module=../nginx_tcp_proxy_module \
      --prefix=/usr/share/nginx --sbin-path=/usr/sbin/nginx \
      --conf-path=/etc/nginx/nginx.conf --error-log-path=/var/log/nginx/error.log \
      --http-log-path=/var/log/nginx/access.log \
      --http-client-body-temp-path=/var/lib/nginx/tmp/client_body \
      --http-proxy-temp-path=/var/lib/nginx/tmp/proxy \
      --http-fastcgi-temp-path=/var/lib/nginx/tmp/fastcgi \
      --http-uwsgi-temp-path=/var/lib/nginx/tmp/uwsgi \
      --http-scgi-temp-path=/var/lib/nginx/tmp/scgi --pid-path=/var/run/nginx.pid \
      --lock-path=/var/lock/subsys/nginx --user=nginx --group=nginx \
      --with-file-aio --with-ipv6 --with-http_ssl_module --with-http_spdy_module \
      --with-http_realip_module --with-http_addition_module --with-http_xslt_module \
      --with-http_image_filter_module --with-http_geoip_module \
      --with-http_sub_module --with-http_dav_module --with-http_flv_module \
      --with-http_mp4_module --with-http_gunzip_module --with-http_gzip_static_module \
      --with-http_random_index_module --with-http_secure_link_module \
      --with-http_degradation_module --with-http_stub_status_module --with-http_perl_module \
      --with-mail --with-mail_ssl_module --with-pcre --with-google_perftools_module \
      --with-debug \
      --with-cc-opt='-O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m64 -mtune=generic' \
      --with-ld-opt=' -Wl,-E'

      make
      make install
  "/etc/nginx/nginx-tcp-proxy.conf":
    mode: "0644"
    owner: root
    group: root
    content: |
      # placeholder
      # /opt/elasticbeanstalk/hooks/appdeploy/enact/00before-flip.sh should update this

  "/opt/elasticbeanstalk/hooks/appdeploy/enact/00before-flip.sh":
    mode: "0755"
    owner: root
    group: root
    content: |
      . /opt/elasticbeanstalk/hooks/common.sh

      EB_CONFIG_DOCKER_PORT_FILE=$(/opt/elasticbeanstalk/bin/get-config container -k port_file)

      EB_CONFIG_DOCKER_STAGING_APP_FILE=$(/opt/elasticbeanstalk/bin/get-config container -k app_staging_file)
      EB_CONFIG_DOCKER_CURRENT_APP_FILE=$(/opt/elasticbeanstalk/bin/get-config container -k app_deploy_file)

      EB_CONFIG_DOCKER_IMAGE_STAGING=$(/opt/elasticbeanstalk/bin/get-config container -k staging_image)
      EB_CONFIG_DOCKER_IMAGE_CURRENT=$(/opt/elasticbeanstalk/bin/get-config container -k deploy_image)

      EB_CONFIG_HTTP_PORT=$(/opt/elasticbeanstalk/bin/get-config container -k instance_port)

      # now the STAGING container is built and running, flip nginx to the new container
      EB_CONFIG_NGINX_UPSTREAM_IP=$(docker inspect `cat $EB_CONFIG_DOCKER_STAGING_APP_FILE` | jq -r .[0].NetworkSettings.IPAddress)
      EB_CONFIG_NGINX_UPSTREAM_PORT=`cat $EB_CONFIG_DOCKER_PORT_FILE`

      # set up nginx
      cat > /etc/nginx/nginx-tcp-proxy.conf <<EOF
      tcp {
        upstream docker {
                server $EB_CONFIG_NGINX_UPSTREAM_IP:$EB_CONFIG_NGINX_UPSTREAM_PORT;
        }

        server {
              listen $EB_CONFIG_HTTP_PORT;
              proxy_pass docker;
        }

        access_log /var/log/nginx/tcp_access.log;
      }
      EOF


commands:
  00-pwd:
    command: pwd
  install-tcp_proxy_module:
    test: test -e $(2>&1 nginx -V | tr -- - '\n' | grep _module | grep tcp)
    command: chmod +x ~/build-nginx.sh && ~/build-nginx.sh

container_commands:
  00-disable-default-http:
    command: test ! -f /etc/nginx/sites-enabled/elasticbeanstalk-nginx-docker-proxy.conf || rm -f /etc/nginx/sites-enabled/elasticbeanstalk-nginx-docker-proxy.conf
  01-include-tcp-proxy-setting:
    command: grep 'nginx-tcp-proxy' /etc/nginx/nginx.conf || echo 'include       /etc/nginx/nginx-tcp-proxy.conf;' >> /etc/nginx/nginx.conf