Stream logs to stdout/err

Nginx and docker-gen logs can now be seen via docker logs.

Dockerfile

@@ -3,7 +3,7 @@ MAINTAINER Jason Wilder jwilder@litl.com
 
 # Install Nginx.
 RUN apt-get update
-RUN apt-get install -y python-software-properties wget supervisor
+RUN apt-get install -y python-software-properties wget
 RUN add-apt-repository -y ppa:nginx/stable
 
 RUN apt-get update
@@ -14,13 +14,13 @@ RUN mkdir /app
 WORKDIR /app
 ADD . /app
 
+RUN wget https://github.com/jwilder/forego/releases/download/v0.8.3-p2/forego-v0.8.3-p2-linux-amd64.tar.gz
+RUN tar xvzf forego-v0.8.3-p2-linux-amd64.tar.gz && mv forego /usr/local/bin && rm forego-v0.8.3-p2-linux-amd64.tar.gz
+
 RUN wget https://github.com/jwilder/docker-gen/releases/download/0.2.1/docker-gen-linux-amd64-0.2.1.tar.gz
 RUN tar xvzf docker-gen-linux-amd64-0.2.1.tar.gz
 
-RUN mkdir -p /var/log/supervisor
-ADD supervisor.conf /etc/supervisor/conf.d/supervisor.conf
-
 EXPOSE 80
 ENV DOCKER_HOST unix:///tmp/docker.sock
 
-CMD ["/usr/bin/supervisord"]
+CMD ["forego", "start", "-r"]

Procfile

@@ -0,0 +1,2 @@
+nginx: nginx
+dockergen: /app/docker-gen -watch -only-exposed -notify "nginx -s reload" /app/nginx.tmpl /etc/nginx/sites-enabled/default

nginx.tmpl

@@ -1,8 +1,11 @@
 server {
-    listen 80 default_server;
-    server_name _; # This is just an invalid value which will never trigger on a real hostname.
-    return 503;
+	listen 80 default_server;
+	server_name _; # This is just an invalid value which will never trigger on a real hostname.
+	error_log /proc/self/fd/2;
+	access_log /proc/self/fd/1;
+	return 503;
 }
+
 {{ range $host, $containers := groupBy $ "Env.VIRTUAL_HOST" }}
 upstream {{ $host }} {
 
@@ -28,12 +31,12 @@ upstream {{ $host }} {
 	{{/* Else default to standard web port 80 */}}
 	{{ else }}
 		{{ range $i, $address := $value.Addresses }}
-		   {{ if eq $address.Port "80" }}
-		   # {{$value.Name}}
-		   server {{ $address.IP }}:{{ $address.Port }};
-		   {{ end }}
+			{{ if eq $address.Port "80" }}
+			# {{$value.Name}}
+			server {{ $address.IP }}:{{ $address.Port }};
+			{{ end }}
 		{{ end }}
-    {{ end }}
+	{{ end }}
 {{ end }}
 }
 
@@ -41,15 +44,17 @@ server {
 	gzip_types text/plain text/css application/json application/x-javascript text/xml application/xml application/xml+rss text/javascript;
 
 	server_name {{ $host }};
-        proxy_buffering off;
+	proxy_buffering off;
+	error_log /proc/self/fd/2;
+	access_log /proc/self/fd/1;
 
 	location / {
-	    proxy_pass http://{{ $host }};
-	    include /etc/nginx/proxy_params;
-	    
-	    # HTTP 1.1 support
-	    proxy_http_version 1.1;
-	    proxy_set_header Connection "";
+		proxy_pass http://{{ $host }};
+		include /etc/nginx/proxy_params;
+
+		# HTTP 1.1 support
+		proxy_http_version 1.1;
+		proxy_set_header Connection "";
 	}
 }
 {{ end }}

supervisor.conf

@@ -1,11 +0,0 @@
-[supervisord]
-nodaemon=true
-
-[program:nginx]
-command=nginx
-directory=/etc/nginx
-
-[program:docker-gen]
-command=./docker-gen -watch -only-exposed -notify "nginx -s reload" /app/nginx.tmpl /etc/nginx/sites-enabled/default
-directory=/app
-