diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..ff3c52d
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,17 @@
+FROM alpine:3
+
+RUN apk add --no-cache bash openjdk11-jre openssh openssl py3-pip py3-setuptools py3-wheel sshpass 
+
+# dependencies for Nagios plugin
+RUN ln -s /usr/bin/python3 /usr/bin/python
+RUN pip3 install unifi
+
+COPY nagios/check_unifi /bin/check_unifi
+COPY *.sh /bin
+
+RUN chmod +x /bin/check_unifi /bin/*.sh
+
+ENV UAP_USERNAME ubnt
+ENV UAP_PASSWORD ubnt
+
+CMD ["docker_usage.sh"]
diff --git a/docker_usage.sh b/docker_usage.sh
new file mode 100755
index 0000000..5379a71
--- /dev/null
+++ b/docker_usage.sh
@@ -0,0 +1,24 @@
+#!/usr/bin/env bash
+
+cat <<'USAGE'
+Usage:
+
+  uap_reboot.sh:
+
+    docker run --rm -it \
+        -e UAP_USERNAME="username" \
+        -e UAP_PASSWORD="password" \
+        -e UAP_LIST="10.0.1.10 10.0.1.20 10.0.1.30" \
+        unifi-linux-utils uap_reboot.sh
+
+  check_unifi:
+
+    docker run --rm -it \
+        unifi-linux-utils check_unifi \
+        -H 10.0.1.1 \
+        -u "username" \
+        -p "password"
+
+USAGE
+
+exit 1
diff --git a/uap_reboot.sh b/uap_reboot.sh
index b47d0f2..78a42bd 100644
--- a/uap_reboot.sh
+++ b/uap_reboot.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 #######################################################################
 # A simple script for remotely rebooting a Ubiquiti UniFi access point
@@ -9,27 +9,31 @@
 # which should be available via dnf, yum, or apt on your *nix distro.
 #
 # USAGE
-# Update the user-configurable settings below, then run ./uap_reboot.sh from
-# the command line. To reboot on a schedule, create a cronjob such as:
-# 45 3 * * * /usr/local/bin/unifi-linux-utils/uap_reboot.sh > /dev/null 2>&1 #Reboot UniFi APs
+# Override the user-configurable settings by providing environment variables,
+# then run ./uap_reboot.sh from the command line. To reboot on a schedule,
+# create a cronjob such as:
+# 45 3 * * * UAP_LIST="10.0.1.10 10.0.1.20" /usr/local/bin/unifi-linux-utils/uap_reboot.sh > /dev/null 2>&1 #Reboot UniFi APs
 # The above example will reboot the UniFi access point(s) every morning at 3:45 AM.
 #######################################################################
 
 # USER-CONFIGURABLE SETTINGS
-username=ubnt
-password=ubnt
+username="${UAP_USERNAME:-ubnt}"
+password="${UAP_PASSWORD:-ubnt}"
 known_hosts_file=/dev/null
-uap_list=( 192.168.0.2 192.168.0.3 192.168.0.4 192.168.0.5 )
+IFS=' '; read -ra uap_list <<< "${UAP_LIST?}"
 
 # SHOULDN'T NEED TO CHANGE ANYTHING PAST HERE
-for i in "${uap_list[@]}"
+EXIT=0
+for i in "${!uap_list[@]}"
 do
 
-	echo "Rebooting UniFi access point at $i..."
-	if sshpass -p $password ssh -oStrictHostKeyChecking=no -oUserKnownHostsFile=$known_hosts_file $username"@$i" reboot; then
-                echo "Access point at $i rebooted!" 1>&2
+  uap_addr="${uap_list[$i]}"
+  echo "Rebooting UniFi access point at ${uap_addr}... ($((i + 1))/${#uap_list[@]})"
+	if sshpass -p "$password" ssh -oStrictHostKeyChecking=no -oUserKnownHostsFile="$known_hosts_file" "${username}@${uap_addr}" reboot; then
+                echo "Access point at $uap_addr rebooted!" 1>&2
 	else
-                echo "Could not reboot access point at $i." 1>&2
+                echo "Could not reboot access point at $uap_addr." 1>&2
+                EXIT=$((EXIT + 1))
 	fi
 done
-exit 0
+exit $EXIT