diff --git a/firmware/config/config.exs b/firmware/config/config.exs
index 1ad0366..82b9a63 100644
--- a/firmware/config/config.exs
+++ b/firmware/config/config.exs
@@ -26,18 +26,11 @@ config :shoehorn,
 
 config :logger, backends: [RingLogger]
 
-config :ui, UiWeb.Endpoint,
-  url: [host: "www.geokunis2.nl"],
-  http: [port: 80],
-  secret_key_base: "HEY05EB1dFVSu6KykKHuS4rQPQzSHv4F7mGVB/gnDLrIu75wE/ytBXy2TaL3A6RA",
-  root: Path.dirname(__DIR__),
-  server: true,
-  render_errors: [view: UiWeb.ErrorView, accepts: ~w(html json)],
-  pubsub: [name: Nerves.PubSub, adapter: Phoenix.PubSub.PG2],
-  code_reloader: false
-
 config :phoenix, :json_library, Jason
 
 if Mix.target() != :host do
-  import_config "target.exs"
+  "target.exs"
+else
+  "host.exs"
 end
+|> import_config()
diff --git a/firmware/config/host.exs b/firmware/config/host.exs
new file mode 100644
index 0000000..76bc675
--- /dev/null
+++ b/firmware/config/host.exs
@@ -0,0 +1,40 @@
+use Mix.Config
+
+config :ui, UiWeb.Endpoint,
+  url: [host: "localhost"],
+  secret_key_base: "FkfuB09FEncz4aAi6hS6w5bsNast+D1P12MckXr5dlRdhtFJrKqgEhvhpTU3qzgh",
+  render_errors: [view: UiWeb.ErrorView, accepts: ~w(html json)],
+  pubsub: [name: Ui.PubSub, adapter: Phoenix.PubSub.PG2],
+  http: [port: 4000],
+  server: true,
+  debug_errors: true,
+  code_reloader: true,
+  check_origin: false,
+  watchers: [
+    node: [
+      "node_modules/webpack/bin/webpack.js",
+      "--mode",
+      "development",
+      "--watch-stdin",
+      cd: Path.expand("../assets", __DIR__)
+    ]
+  ]
+
+config :ui, UiWeb.Endpoint,
+  live_reload: [
+    patterns: [
+      ~r"priv/static/.*(js|css|png|jpeg|jpg|gif|svg)$",
+      ~r"priv/gettext/.*(po)$",
+      ~r"lib/ui_web/{live,views}/.*(ex)$",
+      ~r"lib/ui_web/templates/.*(eex)$"
+    ]
+  ]
+
+config :logger, :console, format: "[$level] $message\n"
+
+# Set a higher stacktrace during development. Avoid configuring such
+# in production as building large stacktraces may be expensive.
+config :phoenix, :stacktrace_depth, 20
+
+# Initialize plugs at runtime for faster development compilation
+config :phoenix, :plug_init_mode, :runtime
diff --git a/firmware/config/target.exs b/firmware/config/target.exs
index f5c8fda..8e45d20 100644
--- a/firmware/config/target.exs
+++ b/firmware/config/target.exs
@@ -28,7 +28,7 @@ config :nerves_firmware_ssh,
 
 # Setting the node_name will enable Erlang Distribution.
 # Only enable this for prod if you understand the risks.
-node_name = if Mix.env() != :prod, do: "firmware"
+node_name = "esrom"
 
 config :nerves_init_gadget,
   ifname: "eth0",
@@ -37,6 +37,18 @@ config :nerves_init_gadget,
   node_name: node_name,
   node_host: :mdns_domain
 
+config :ui, UiWeb.Endpoint,
+  url: [host: "www.geokunis2.nl"],
+  http: [port: 80],
+  secret_key_base: "HEY05EB1dFVSu6KykKHuS4rQPQzSHv4F7mGVB/gnDLrIu75wE/ytBXy2TaL3A6RA",
+  root: Path.dirname(__DIR__),
+  server: true,
+  render_errors: [view: UiWeb.ErrorView, accepts: ~w(html json)],
+  pubsub: [name: Nerves.PubSub, adapter: Phoenix.PubSub.PG2],
+  code_reloader: false
+
+config :morse, :relay_pin, 17
+
 if File.exists?("config/secrets.exs") do
   import_config "secrets.exs"
 end
diff --git a/ui/config/config.exs b/ui/config/config.exs
deleted file mode 100644
index dc1d064..0000000
--- a/ui/config/config.exs
+++ /dev/null
@@ -1,29 +0,0 @@
-# This file is responsible for configuring your application
-# and its dependencies with the aid of the Mix.Config module.
-#
-# This configuration file is loaded before any dependency and
-# is restricted to this project.
-
-# General application configuration
-use Mix.Config
-
-# Configures the endpoint
-config :ui, UiWeb.Endpoint,
-  url: [host: "localhost"],
-  secret_key_base: "FkfuB09FEncz4aAi6hS6w5bsNast+D1P12MckXr5dlRdhtFJrKqgEhvhpTU3qzgh",
-  render_errors: [view: UiWeb.ErrorView, accepts: ~w(html json)],
-  pubsub: [name: Ui.PubSub, adapter: Phoenix.PubSub.PG2]
-
-# Configures Elixir's Logger
-config :logger, :console,
-  format: "$time $metadata[$level] $message\n",
-  metadata: [:request_id]
-
-# Use Jason for JSON parsing in Phoenix
-config :phoenix, :json_library, Jason
-
-config :morse, :relay_pin, 17
-
-# Import environment specific config. This must remain at the bottom
-# of this file so it overrides the configuration defined above.
-import_config "#{Mix.env()}.exs"
diff --git a/ui/config/dev.exs b/ui/config/dev.exs
deleted file mode 100644
index 208e186..0000000
--- a/ui/config/dev.exs
+++ /dev/null
@@ -1,67 +0,0 @@
-use Mix.Config
-
-# For development, we disable any cache and enable
-# debugging and code reloading.
-#
-# The watchers configuration can be used to run external
-# watchers to your application. For example, we use it
-# with webpack to recompile .js and .css sources.
-config :ui, UiWeb.Endpoint,
-  http: [port: 4000],
-  debug_errors: true,
-  code_reloader: true,
-  check_origin: false,
-  watchers: [
-    node: [
-      "node_modules/webpack/bin/webpack.js",
-      "--mode",
-      "development",
-      "--watch-stdin",
-      cd: Path.expand("../assets", __DIR__)
-    ]
-  ]
-
-# ## SSL Support
-#
-# In order to use HTTPS in development, a self-signed
-# certificate can be generated by running the following
-# Mix task:
-#
-#     mix phx.gen.cert
-#
-# Note that this task requires Erlang/OTP 20 or later.
-# Run `mix help phx.gen.cert` for more information.
-#
-# The `http:` config above can be replaced with:
-#
-#     https: [
-#       port: 4001,
-#       cipher_suite: :strong,
-#       keyfile: "priv/cert/selfsigned_key.pem",
-#       certfile: "priv/cert/selfsigned.pem"
-#     ],
-#
-# If desired, both `http:` and `https:` keys can be
-# configured to run both http and https servers on
-# different ports.
-
-# Watch static and templates for browser reloading.
-config :ui, UiWeb.Endpoint,
-  live_reload: [
-    patterns: [
-      ~r"priv/static/.*(js|css|png|jpeg|jpg|gif|svg)$",
-      ~r"priv/gettext/.*(po)$",
-      ~r"lib/ui_web/{live,views}/.*(ex)$",
-      ~r"lib/ui_web/templates/.*(eex)$"
-    ]
-  ]
-
-# Do not include metadata nor timestamps in development logs
-config :logger, :console, format: "[$level] $message\n"
-
-# Set a higher stacktrace during development. Avoid configuring such
-# in production as building large stacktraces may be expensive.
-config :phoenix, :stacktrace_depth, 20
-
-# Initialize plugs at runtime for faster development compilation
-config :phoenix, :plug_init_mode, :runtime
diff --git a/ui/config/prod.exs b/ui/config/prod.exs
deleted file mode 100644
index 1b6983b..0000000
--- a/ui/config/prod.exs
+++ /dev/null
@@ -1,55 +0,0 @@
-use Mix.Config
-
-# For production, don't forget to configure the url host
-# to something meaningful, Phoenix uses this information
-# when generating URLs.
-#
-# Note we also include the path to a cache manifest
-# containing the digested version of static files. This
-# manifest is generated by the `mix phx.digest` task,
-# which you should run after static files are built and
-# before starting your production server.
-config :ui, UiWeb.Endpoint,
-  url: [host: "example.com", port: 80],
-  cache_static_manifest: "priv/static/cache_manifest.json"
-
-# Do not print debug messages in production
-config :logger, level: :info
-
-# ## SSL Support
-#
-# To get SSL working, you will need to add the `https` key
-# to the previous section and set your `:url` port to 443:
-#
-#     config :ui, UiWeb.Endpoint,
-#       ...
-#       url: [host: "example.com", port: 443],
-#       https: [
-#         :inet6,
-#         port: 443,
-#         cipher_suite: :strong,
-#         keyfile: System.get_env("SOME_APP_SSL_KEY_PATH"),
-#         certfile: System.get_env("SOME_APP_SSL_CERT_PATH")
-#       ]
-#
-# The `cipher_suite` is set to `:strong` to support only the
-# latest and more secure SSL ciphers. This means old browsers
-# and clients may not be supported. You can set it to
-# `:compatible` for wider support.
-#
-# `:keyfile` and `:certfile` expect an absolute path to the key
-# and cert in disk or a relative path inside priv, for example
-# "priv/ssl/server.key". For all supported SSL configuration
-# options, see https://hexdocs.pm/plug/Plug.SSL.html#configure/1
-#
-# We also recommend setting `force_ssl` in your endpoint, ensuring
-# no data is ever sent via http, always redirecting to https:
-#
-#     config :ui, UiWeb.Endpoint,
-#       force_ssl: [hsts: true]
-#
-# Check `Plug.SSL` for all available options in `force_ssl`.
-
-# Finally import the config/prod.secret.exs which loads secrets
-# and configuration from environment variables.
-import_config "prod.secret.exs"
diff --git a/ui/config/prod.secret.exs b/ui/config/prod.secret.exs
deleted file mode 100644
index 622dd97..0000000
--- a/ui/config/prod.secret.exs
+++ /dev/null
@@ -1,26 +0,0 @@
-# In this file, we load production configuration and secrets
-# from environment variables. You can also hardcode secrets,
-# although such is generally not recommended and you have to
-# remember to add this file to your .gitignore.
-use Mix.Config
-
-secret_key_base =
-  System.get_env("SECRET_KEY_BASE") ||
-    raise """
-    environment variable SECRET_KEY_BASE is missing.
-    You can generate one by calling: mix phx.gen.secret
-    """
-
-config :ui, UiWeb.Endpoint,
-  http: [:inet6, port: String.to_integer(System.get_env("PORT") || "4000")],
-  secret_key_base: secret_key_base
-
-# ## Using releases (Elixir v1.9+)
-#
-# If you are doing OTP releases, you need to instruct Phoenix
-# to start each relevant endpoint:
-#
-#     config :ui, UiWeb.Endpoint, server: true
-#
-# Then you can assemble a release by calling `mix release`.
-# See `mix help release` for more information.
diff --git a/ui/config/test.exs b/ui/config/test.exs
deleted file mode 100644
index 93fd96d..0000000
--- a/ui/config/test.exs
+++ /dev/null
@@ -1,10 +0,0 @@
-use Mix.Config
-
-# We don't run a server during test. If one is required,
-# you can enable the server option below.
-config :ui, UiWeb.Endpoint,
-  http: [port: 4002],
-  server: false
-
-# Print only warnings and errors during test
-config :logger, level: :warn