diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
new file mode 100644
index 0000000..18a034a
--- /dev/null
+++ b/.gitlab-ci.yml
@@ -0,0 +1,20 @@
+image: python:3.8
+
+stages:
+ - build
+
+before_script:
+  - "pip install -U platformio"
+
+main_mcu:
+  stage: build
+  script: 
+    - cd firmware/main_mcu/ 
+    - cp src/config-example.h src/config.h
+    - pio run
+  
+lowpower_mcu:
+  stage: build
+  script: 
+    - cd firmware/lowpower_mcu/
+    - pio run
diff --git a/firmware/main_mcu/platformio.ini b/firmware/main_mcu/platformio.ini
index 06e429f..7ee9eeb 100644
--- a/firmware/main_mcu/platformio.ini
+++ b/firmware/main_mcu/platformio.ini
@@ -16,6 +16,17 @@ lib_deps =
 	knolleary/PubSubClient@^2.8.0
 	bblanchon/ArduinoJson@^6.17.2
 upload_speed = 115200
+src_filter =
+    ;; Default filter
+    +<*>
+    -<.git/>
+    -<.svn/>
+    -<example/>
+    -<examples/>
+    -<test/>
+    -<tests/>
+	;; Don't compile until the user adds their own config
+	-<src/config-example.h>
 
 [env:button-release]
 
diff --git a/firmware/main_mcu/src/config-example.h b/firmware/main_mcu/src/config-example.h
new file mode 100644
index 0000000..cae774c
--- /dev/null
+++ b/firmware/main_mcu/src/config-example.h
@@ -0,0 +1,19 @@
+// This is an example config file. Copy this file to "config.h" and set the 
+// values needed for your network.
+
+#ifndef __CONFIG_H_
+#define __CONFIG_H_
+
+// These values will need to be modified for your environment
+#define CONFIG_SSID             "network-name"
+#define CONFIG_PSK              "password"
+#define CONFIG_MQTT_SERVER      "mqtt.example.com" // Either IP or hostname
+#define CONFIG_MQTT_SERVER_PORT 1883 // 1883 is the default to unencrypted MQTT port
+
+// You might want to change these, but don't likely need to.
+#define CONFIG_BUTTON_EVENT_TOPIC_PREFIX "devices/"
+#define CONFIG_HOMEASSISTANT_MQTT_PREFIX "homeassistant/"
+#define CONFIG_BUTTON_STATE_TOPIC_NAME   "state"
+#define CONFIG_BUTTON_TRIGGER_TOPIC_NAME "trigger"
+
+#endif // __CONFIG_H_