Switch frontend from old base image to alpine

Dockerfiles/frontend/Dockerfile

@@ -1,10 +1,7 @@
-FROM kelvinchen/seedbox:base
+FROM nginx:1.11-alpine
 MAINTAINER Kelvin Chen <kelvin@kelvinchen.org>
 
-RUN apt-get update \
-    && apt-get install --no-install-recommends -y apache2-utils \
-    && apt-get clean \
-    && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
+RUN apk add --no-cache apache2-utils openssl
 
 VOLUME /config
 
@@ -15,7 +12,7 @@ ENV USERNAME=user \
     USE_SSL=false
 
 COPY nginx.conf common_default.conf ssl.conf /etc/nginx/
-COPY start /
+COPY init /
 COPY ssl-gen /usr/local/bin
 
-CMD ["/start"]
+CMD ["/init"]

Dockerfiles/frontend/common_default.conf

@@ -3,7 +3,10 @@
 listen 80;
 listen [::]:80;
 
-include            proxy_params;
+proxy_set_header   Host $http_host;
+proxy_set_header   X-Real-IP $remote_addr;
+proxy_set_header   X-Forwarded-For $proxy_add_x_forwarded_for;
+proxy_set_header   X-Forwarded-Proto $scheme;
 proxy_set_header   Upgrade    $http_upgrade;
 proxy_set_header   Connection $http_connection;
 proxy_redirect     off;

Dockerfiles/frontend/init

@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 # Make placeholder config directory
 mkdir -p /config/frontend

Dockerfiles/frontend/nginx.conf

@@ -29,25 +29,25 @@ http {
     gzip         on;
     gzip_disable "msie6";
 
-    client_max_body_size 8M;
+    client_max_body_size 0;
 
     auth_basic           "Restricted";
     auth_basic_user_file .htpasswd;
 
     upstream rtorrent {
-        server seedbox_rtorrent_1;
+        server rtorrent;
     }
 
     upstream syncthing {
-        server seedbox_syncthing_1:8384;
+        server syncthing:8384;
     }
 
     upstream plex {
-        server seedbox_plex_1:32400;
+        server plex:32400;
     }
 
     upstream sickrage {
-        server seedbox_sickrage_1:8081;
+        server sickrage:8081;
     }
 
     server {

Dockerfiles/frontend/ssl-gen

@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 # Short helper script to generate self signed SSL certificates.