diff --git a/.env b/.env
index 54a2639f..e81d6c47 100644
--- a/.env
+++ b/.env
@@ -1,7 +1,7 @@
-HOST=localhost
-PORT=8000
-MEDIA_DIR=appmedia
-SSL=NO
-SSL_KEY=
-SSL_CERT=
-SSL_INSECURE_PORT_REDIRECT=80
+WO_HOST=localhost
+WO_PORT=8000
+WO_MEDIA_DIR=appmedia
+WO_SSL=NO
+WO_SSL_KEY=
+WO_SSL_CERT=
+WO_SSL_INSECURE_PORT_REDIRECT=80
diff --git a/docker-compose.ssl-manual.yml b/docker-compose.ssl-manual.yml
index 0321f2f5..ae0bb210 100644
--- a/docker-compose.ssl-manual.yml
+++ b/docker-compose.ssl-manual.yml
@@ -3,5 +3,5 @@ version: '2'
 services:
   webapp:
     volumes:
-      - ${SSL_KEY}:/webodm/nginx/ssl/key.pem
-      - ${SSL_CERT}:/webodm/nginx/ssl/cert.pem
+      - ${WO_SSL_KEY}:/webodm/nginx/ssl/key.pem
+      - ${WO_SSL_CERT}:/webodm/nginx/ssl/cert.pem
diff --git a/docker-compose.ssl.yml b/docker-compose.ssl.yml
index dc9a3e41..4fdd8afa 100644
--- a/docker-compose.ssl.yml
+++ b/docker-compose.ssl.yml
@@ -6,9 +6,9 @@ volumes:
 services:
   webapp:
     ports:
-      - "${SSL_INSECURE_PORT_REDIRECT}:8080"
+      - "${WO_SSL_INSECURE_PORT_REDIRECT}:8080"
     volumes:
       - letsencrypt:/webodm/nginx/letsencrypt
     environment:
-      - SSL
-      - SSL_KEY
\ No newline at end of file
+      - WO_SSL
+      - WO_SSL_KEY
\ No newline at end of file
diff --git a/docker-compose.yml b/docker-compose.yml
index 8457bf48..0b55e9f4 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -19,9 +19,9 @@ services:
     container_name: webapp
     entrypoint: /bin/bash -c "chmod +x /webodm/*.sh && /bin/bash -c \"/webodm/wait-for-it.sh db:5432 -- /webodm/start.sh\""
     volumes:
-      - ${MEDIA_DIR}:/webodm/app/media
+      - ${WO_MEDIA_DIR}:/webodm/app/media
     ports:
-      - "${PORT}:8000"
+      - "${WO_PORT}:8000"
     depends_on:
       - db
     environment:
diff --git a/nginx/letsencrypt-autogen.sh b/nginx/letsencrypt-autogen.sh
index e6df519f..8b657d54 100644
--- a/nginx/letsencrypt-autogen.sh
+++ b/nginx/letsencrypt-autogen.sh
@@ -9,12 +9,12 @@ if [ $not_found ]; then
 	exit 1
 fi
 
-if [ "$SSL" = "NO" ] || [ ! -z "$SSL_KEY" ]; then
+if [ "$WO_SSL" = "NO" ] || [ ! -z "$WO_SSL_KEY" ]; then
 	echo "SSL not enabled, or manual SSL key specified, exiting."
 	exit 1
 fi
 
-DOMAIN="${HOST:=$1}"
+DOMAIN="${WO_HOST:=$1}"
 if [ -z $DOMAIN ]; then
 	echo "Usage: $0 <my.domain.com>"
 	exit 1
diff --git a/nginx/nginx-ssl.conf.template b/nginx/nginx-ssl.conf.template
index 0517354e..2050d365 100644
--- a/nginx/nginx-ssl.conf.template
+++ b/nginx/nginx-ssl.conf.template
@@ -29,16 +29,16 @@ http {
 
   # Redirect all non-encrypted to encrypted
   server {
-      server_name $HOST;
+      server_name $WO_HOST;
       listen 8080;
-      return 301 https://$HOST:$PORT$request_uri;
+      return 301 https://$WO_HOST:$WO_PORT$request_uri;
   }
 
   server {
     listen 8000 deferred;
     client_max_body_size 0;
 
-    server_name $HOST;
+    server_name $WO_HOST;
 
     ssl on;
     ssl_certificate /webodm/nginx/ssl/cert.pem
diff --git a/nginx/nginx.conf.template b/nginx/nginx.conf.template
index b107206b..45705bf5 100644
--- a/nginx/nginx.conf.template
+++ b/nginx/nginx.conf.template
@@ -31,7 +31,7 @@ http {
     listen 8000 deferred;
     client_max_body_size 0;
 
-    server_name $HOST;
+    server_name $WO_HOST;
 
     keepalive_timeout 5;
 
diff --git a/start.sh b/start.sh
index 8daa346c..99df6b28 100755
--- a/start.sh
+++ b/start.sh
@@ -58,8 +58,8 @@ if [[ "$1" = "--create-default-pnode" ]]; then
    echo "from nodeodm.models import ProcessingNode; ProcessingNode.objects.update_or_create(hostname='node-odm-1', defaults={'hostname': 'node-odm-1', 'port': 3000})" | python manage.py shell
 fi
 
-export HOST="${HOST:=localhost}"
-export PORT="${PORT:=8000}"
+export WO_HOST="${WO_HOST:=localhost}"
+export WO_PORT="${WO_PORT:=8000}"
 
 # Dump environment to .cronenv
 printenv > .cronenv
@@ -71,7 +71,7 @@ echo ==========================
 echo -e "\033[39m"
 echo "If there are no errors, WebODM should be up and running!"
 echo -e "\033[93m"
-echo Open a web browser and navigate to http://$HOST:$PORT
+echo Open a web browser and navigate to http://$WO_HOST:$WO_PORT
 echo -e "\033[39m"
 echo -e "\033[91mNOTE:\033[39m Windows users using docker should replace localhost with the IP of their docker machine's IP. To find what that is, run: docker-machine ip") &
 
@@ -85,12 +85,12 @@ else
     echo "Generating nginx configurations from templates..."
     for templ in nginx/*.template
     do
-        echo "- $templ"
-        envsubst '\$HOST \$OTHER_VAR' < $templ > ${templ%.*}
+        echo "- ${templ%.*}"
+        envsubst '\$WO_PORT \$WO_HOST' < $templ > ${templ%.*}
     done
 
     # Check if we need to auto-generate SSL certs via letsencrypt
-    if [ "$SSL" = "YES" ] && [ -z "$SSL_KEY" ]; then
+    if [ "$WO_SSL" = "YES" ] && [ -z "$WO_SSL_KEY" ]; then
         bash -c "nginx/letsencrypt-autogen.sh"
     fi
 
diff --git a/webodm.sh b/webodm.sh
index 7cb49ed5..dae0e49d 100755
--- a/webodm.sh
+++ b/webodm.sh
@@ -20,11 +20,11 @@ fi
 
 # Load default values
 source .env
-DEFAULT_PORT="$PORT"
-DEFAULT_HOST="$HOST"
-DEFAULT_MEDIA_DIR="$MEDIA_DIR"
-DEFAULT_SSL="$SSL"
-DEFAULT_SSL_INSECURE_PORT_REDIRECT="$SSL_INSECURE_PORT_REDIRECT"
+DEFAULT_PORT="$WO_PORT"
+DEFAULT_HOST="$WO_HOST"
+DEFAULT_MEDIA_DIR="$WO_MEDIA_DIR"
+DEFAULT_SSL="$WO_SSL"
+DEFAULT_SSL_INSECURE_PORT_REDIRECT="$WO_SSL_INSECURE_PORT_REDIRECT"
 
 # Parse args for overrides
 POSITIONAL=()
@@ -34,36 +34,36 @@ key="$1"
 
 case $key in
     --port)
-    export PORT="$2"
+    export WO_PORT="$2"
     shift # past argument
     shift # past value
     ;;    
     --hostname)
-    export HOST="$2"
+    export WO_HOST="$2"
     shift # past argument
     shift # past value
     ;;
 	--media-dir)
-    export MEDIA_DIR=$(realpath "$2")
+    export WO_MEDIA_DIR=$(realpath "$2")
     shift # past argument
     shift # past value
     ;;
     --ssl)
-    SSL=YES
+    WO_SSL=YES
     shift # past argument
     ;;
 	--ssl-key)
-    export SSL_KEY=$(realpath "$2")
+    export WO_SSL_KEY=$(realpath "$2")
     shift # past argument
     shift # past value
     ;;
 	--ssl-cert)
-    export SSL_CERT=$(realpath "$2")
+    export WO_SSL_CERT=$(realpath "$2")
     shift # past argument
     shift # past value
     ;;
 	--ssl-insecure-port-redirect)
-    export SSL_INSECURE_PORT_REDIRECT="$2"
+    export WO_SSL_INSECURE_PORT_REDIRECT="$2"
     shift # past argument
     shift # past value
     ;;
@@ -143,20 +143,20 @@ run(){
 start(){
 	command="docker-compose -f docker-compose.yml -f docker-compose.nodeodm.yml"
 	
-	if [ "$SSL" = "YES" ]; then
-		if [ ! -z "$SSL_KEY" ] && [ ! -e "$SSL_KEY" ]; then
-			echo -e "\033[91mSSL key file does not exist: $SSL_KEY\033[39m"
+	if [ "$WO_SSL" = "YES" ]; then
+		if [ ! -z "$WO_SSL_KEY" ] && [ ! -e "$WO_SSL_KEY" ]; then
+			echo -e "\033[91mSSL key file does not exist: $WO_SSL_KEY\033[39m"
 			exit 1
 		fi
-		if [ ! -z "$SSL_CERT" ] && [ ! -e "$SSL_CERT" ]; then
-			echo -e "\033[91mSSL certificate file does not exist: $SSL_CERT\033[39m"
+		if [ ! -z "$WO_SSL_CERT" ] && [ ! -e "$WO_SSL_CERT" ]; then
+			echo -e "\033[91mSSL certificate file does not exist: $WO_SSL_CERT\033[39m"
 			exit 1
 		fi
 		
 		command+=" -f docker-compose.ssl.yml"
 		
 		method="Lets Encrypt"
-		if [ ! -z "$SSL_KEY" ] && [ ! -z "$SSL_CERT" ]; then
+		if [ ! -z "$WO_SSL_KEY" ] && [ ! -z "$WO_SSL_CERT" ]; then
 			method="Manual"
 			command+=" -f docker-compose.ssl-manual.yml"
 		fi
@@ -165,15 +165,15 @@ start(){
 			# Check port settings
 			# as let's encrypt cannot communicate on ports
 			# different than 80 or 443
-			if [ "$PORT" != "$DEFAULT_PORT" ]; then
-				echo -e "\033[93mLets Encrypt cannot run on port: $PORT, switching to 443.\033[39m"
+			if [ "$WO_PORT" != "$DEFAULT_PORT" ]; then
+				echo -e "\033[93mLets Encrypt cannot run on port: $WO_PORT, switching to 443.\033[39m"
 				echo "If you need to use a different port, you'll need to generate the SSL certificate files separately and use the --ssl-key and --ssl-certificate options."
 			fi
-			export PORT=443
+			export WO_PORT=443
 
 			# Make sure we have a hostname
-			if [ "$HOST" = "localhost" ]; then
-				echo -e "\033[91mSSL is enabled, but hostname cannot be set to $HOST. Set the --hostname argument to the domain of your WebODM server (for example: www.mywebodm.org).\033[39m"
+			if [ "$WO_HOST" = "localhost" ]; then
+				echo -e "\033[91mSSL is enabled, but hostname cannot be set to $WO_HOST. Set the --hostname argument to the domain of your WebODM server (for example: www.mywebodm.org).\033[39m"
 				exit 1
 			fi
 		fi
@@ -231,13 +231,13 @@ if [[ $1 = "start" ]]; then
 	echo ""
 	echo "Using the following environment:"
 	echo "================================"
-	echo "Host: $HOST"
-	echo "Port: $PORT"
-	echo "Media directory: $MEDIA_DIR"
-	echo "SSL: $SSL"
-	echo "SSL key: $SSL_KEY"
-	echo "SSL certificate: $SSL_CERT"
-	echo "SSL insecure port redirect: $SSL_INSECURE_PORT_REDIRECT"
+	echo "Host: $WO_HOST"
+	echo "Port: $WO_PORT"
+	echo "Media directory: $WO_MEDIA_DIR"
+	echo "SSL: $WO_SSL"
+	echo "SSL key: $WO_SSL_KEY"
+	echo "SSL certificate: $WO_SSL_CERT"
+	echo "SSL insecure port redirect: $WO_SSL_INSECURE_PORT_REDIRECT"
 	echo "================================"
 	echo "Make sure to issue a $0 down if you decide to change the environment."
 	echo ""