diff --git a/.env.production.sample b/.env.production.sample
index 4ee2faa..d7b5055 100644
--- a/.env.production.sample
+++ b/.env.production.sample
@@ -12,7 +12,7 @@ BASE_URL=http://localhost:3000
 SECRET_KEY_BASE=
 
 ## PostgreSQL connection URL.
-## Default: postgresql://postgres@postgres/postgres
+## Default: postgresql://postgres/postgres?user=postgres
 # DATABASE_URL=
 
 ## Redis connection URL.
diff --git a/Dockerfile b/Dockerfile
index 74e4c48..9549880 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -97,11 +97,20 @@ RUN cd a2png && npm install
 COPY a2png /app/a2png
 RUN cd a2png && lein cljsbuild once main && lein cljsbuild once page
 
+# build uberjar
+
+COPY project.clj /app/
+RUN lein deps
+
+COPY src /app/src
+COPY resources /app/resources
+RUN lein uberjar
+
 # copy the rest of the source code
 
 COPY . /app
 
-ENV DATABASE_URL "postgresql://postgres@postgres/postgres"
+ENV DATABASE_URL "postgresql://postgres/postgres?user=postgres"
 ENV REDIS_URL "redis://redis:6379"
 
 # compile terminal.c
@@ -125,6 +134,11 @@ COPY docker/nginx/asciinema.conf /etc/nginx/sites-available/default
 RUN mkdir -p /var/log/supervisor
 COPY docker/supervisor/asciinema.conf /etc/supervisor/conf.d/asciinema.conf
 
+# add start script for Clojure app
+
+COPY docker/start.sh /app/start.sh
+RUN chmod a+x /app/start.sh
+
 VOLUME ["/app/log", "/app/uploads"]
 
 CMD ["/usr/bin/supervisord"]
diff --git a/dev/resources/dev.edn b/dev/resources/dev.edn
index cf8c240..0545cb2 100644
--- a/dev/resources/dev.edn
+++ b/dev/resources/dev.edn
@@ -1,12 +1,9 @@
 {:components
- {:file-store #var asciinema.component.local-file-store/local-file-store
-  :exp-set #var asciinema.component.mem-expiring-set/mem-expiring-set}
+ {:exp-set #var asciinema.component.mem-expiring-set/mem-expiring-set}
  :config
  {:http
   {:port 4000}
   :db
   {:uri "jdbc:postgresql://localhost:15432/asciinema_development?user=vagrant"}
-  :file-store
-  {:path "uploads/"}
   :png-gen
   {:bin-path "a2png/a2png.sh"}}}
diff --git a/docker/nginx/asciinema.conf b/docker/nginx/asciinema.conf
index 6e92331..2b8c371 100644
--- a/docker/nginx/asciinema.conf
+++ b/docker/nginx/asciinema.conf
@@ -2,6 +2,10 @@ upstream rails-server {
     server 127.0.0.1:3000 fail_timeout=0;
 }
 
+upstream clj-server {
+    server 127.0.0.1:4000 fail_timeout=0;
+}
+
 server {
     listen 80 default_server;
     listen [::]:80 default_server;
@@ -12,6 +16,10 @@ server {
 
     client_max_body_size 16m;
 
+    location ~ ^/a/[^.]+\.(json|png)$ {
+        try_files $uri $uri/index.html $uri.html @clj;
+    }
+
     location / {
         try_files $uri $uri/index.html $uri.html @rails;
     }
@@ -33,4 +41,13 @@ server {
         proxy_redirect off;
         error_page 500 502 504 /500.html; # Rails error pages
     }
+
+    location @clj {
+        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 Host $http_host;
+        proxy_pass http://clj-server;
+        proxy_redirect off;
+    }
 }
diff --git a/docker/start.sh b/docker/start.sh
new file mode 100644
index 0000000..be59cea
--- /dev/null
+++ b/docker/start.sh
@@ -0,0 +1,8 @@
+#!/usr/bin/env bash
+
+export DATABASE_URL=jdbc:${DATABASE_URL}
+export S3_ACCESS_KEY=${AWS_ACCESS_KEY_ID}
+export S3_SECRET_KEY=${AWS_SECRET_ACCESS_KEY}
+export A2PNG_BIN_PATH="/app/a2png/a2png.sh"
+
+exec java -server -Xmx3g -jar /app/target/uberjar/asciinema-0.1.0-SNAPSHOT-standalone.jar
diff --git a/docker/supervisor/asciinema.conf b/docker/supervisor/asciinema.conf
index 0857a41..0dd20d4 100644
--- a/docker/supervisor/asciinema.conf
+++ b/docker/supervisor/asciinema.conf
@@ -14,4 +14,12 @@ directory=/app
 stdout_logfile=/dev/stdout
 stdout_logfile_maxbytes=0
 stderr_logfile=/dev/stderr
+stderr_logfile_maxbytes=0
+
+[program:clj]
+command=/app/start.sh
+directory=/app
+stdout_logfile=/dev/stdout
+stdout_logfile_maxbytes=0
+stderr_logfile=/dev/stderr
 stderr_logfile_maxbytes=0
\ No newline at end of file
diff --git a/resources/asciinema/system.edn b/resources/asciinema/system.edn
index aa5b2c8..b7df1cc 100644
--- a/resources/asciinema/system.edn
+++ b/resources/asciinema/system.edn
@@ -2,7 +2,7 @@
  {:http #var asciinema.component.yada-listener/yada-listener
   :db   #var asciinema.component.db/hikaricp
   :ragtime #var duct.component.ragtime/ragtime
-  :file-store #var asciinema.component.s3-file-store/s3-file-store
+  :file-store #var asciinema.component.auto-file-store/auto-file-store
   :exp-set #var asciinema.component.redis-client/redis-client
   :png-gen #var asciinema.component.a2png/a2png
   :executor #var asciinema.component.fixed-thread-executor/fixed-thread-executor}
@@ -20,13 +20,12 @@
   :ragtime
   {:resource-path "asciinema/migrations"}
   :file-store
-  {:cred {:access-key s3-access-key
-          :secret-key s3-secret-key}
-   :bucket s3-bucket
-   :path-prefix "uploads/"}
+  {:path "uploads/"
+   :s3-bucket s3-bucket
+   :s3-cred {:access-key s3-access-key
+             :secret-key s3-secret-key}}
   :exp-set
-  {:host redis-host
-   :port redis-port}
+  {:uri redis-url}
   :png-gen
   {:bin-path a2png-bin-path}
   :executor
diff --git a/src/asciinema/component/auto_file_store.clj b/src/asciinema/component/auto_file_store.clj
new file mode 100644
index 0000000..e674537
--- /dev/null
+++ b/src/asciinema/component/auto_file_store.clj
@@ -0,0 +1,8 @@
+(ns asciinema.component.auto-file-store
+  (:require [asciinema.component.local-file-store :refer [local-file-store]]
+            [asciinema.component.s3-file-store :refer [s3-file-store]]))
+
+(defn auto-file-store [config]
+  (if (:s3-bucket config)
+    (s3-file-store config)
+    (local-file-store config)))
diff --git a/src/asciinema/component/redis_client.clj b/src/asciinema/component/redis_client.clj
index 07af0f6..da725a4 100644
--- a/src/asciinema/component/redis_client.clj
+++ b/src/asciinema/component/redis_client.clj
@@ -5,12 +5,12 @@
             [com.stuartsierra.component :as component]
             [taoensso.carmine :as car]))
 
-(defrecord RedisClient [host port]
+(defrecord RedisClient [uri]
   component/Lifecycle
   (start [component]
     (if (:listener component)
       component
-      (let [conn {:pool {} :spec {:host host :port port}}]
+      (let [conn {:pool {} :spec {:uri uri}}]
         (assoc component :conn conn))))
   (stop [component]
     (if (:conn component)
@@ -24,5 +24,5 @@
   (contains? [this value]
     (car/as-bool (car/wcar (:conn this) (car/exists value)))))
 
-(defn redis-client [{:keys [host port]}]
-  (->RedisClient host port))
+(defn redis-client [{:keys [uri]}]
+  (->RedisClient uri))
diff --git a/src/asciinema/component/s3_file_store.clj b/src/asciinema/component/s3_file_store.clj
index 3443dd0..8beec5c 100644
--- a/src/asciinema/component/s3_file_store.clj
+++ b/src/asciinema/component/s3_file_store.clj
@@ -60,5 +60,5 @@
           (assoc :status 302)
           (update :headers assoc "location" url)))))
 
-(defn s3-file-store [{:keys [cred bucket path-prefix]}]
-  (->S3FileStore cred bucket path-prefix))
+(defn s3-file-store [{:keys [s3-cred s3-bucket path]}]
+  (->S3FileStore s3-cred s3-bucket path))
diff --git a/src/asciinema/main.clj b/src/asciinema/main.clj
index 7eecb3e..a283b17 100644
--- a/src/asciinema/main.clj
+++ b/src/asciinema/main.clj
@@ -27,13 +27,12 @@
 
 (defn -main [& args]
   (binding [y/*exception-notifier* (create-exception-notifier)]
-    (let [bindings {'http-port (Integer/parseInt (:port env "3000"))
+    (let [bindings {'http-port (Integer/parseInt (:port env "4000"))
                     'db-uri (:database-url env)
                     's3-bucket (:s3-bucket env)
                     's3-access-key (:s3-access-key env)
                     's3-secret-key (:s3-secret-key env)
-                    'redis-host (:redis-host env "localhost")
-                    'redis-port (Integer/parseInt (:redis-port env "6379"))
+                    'redis-url (:redis-url env "redis://localhost")
                     'a2png-bin-path (:a2png-bin-path env "a2png/a2png.sh")}
           system (->> (load-system [(io/resource "asciinema/system.edn")] bindings)
                       (component/start))]