diff --git a/Dockerfile b/Dockerfile
index a509805..8cba6d7 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -14,4 +14,4 @@ RUN ./install.sh
 WORKDIR /opt/ttn-gateway/bin
 
 # Start it up
-CMD ["sh", "-c", "pwd && ls /opt/ttn-gateway/bin && env && ./start.sh"]
+CMD ["sh", "-c", "env && echo && ./start.sh"]
diff --git a/Dockerfile~ b/Dockerfile~
index ce4527c..a509805 100644
--- a/Dockerfile~
+++ b/Dockerfile~
@@ -11,7 +11,7 @@ WORKDIR ~/ttn-gateway
 RUN ./install.sh
 
 # Make sure we start up within the bin directory
-WORKDIR ~/opt/ttn-gateway/bin
+WORKDIR /opt/ttn-gateway/bin
 
 # Start it up
-CMD ["sh", "-c", "env && ./start.sh"]
+CMD ["sh", "-c", "pwd && ls /opt/ttn-gateway/bin && env && ./start.sh"]
diff --git a/start.sh b/start.sh
index cc0b05d..b6fbd77 100755
--- a/start.sh
+++ b/start.sh
@@ -36,10 +36,10 @@ echo GATEWAY_ALT: $GATEWAY_ALT
 
 echo ""
 
-echo -e "{\n\t\"gateway_conf\": {\n\t\t\"gateway_ID\": \"0000000000000000\",\n\t\t\"servers\": [ { \"server_address\": \"croft.thethings.girovito.nl\", \"serv_port_up\": 1700, \"serv_port_down\": 1701, \"serv_enabled\": true } ],\n\t\t\"ref_latitude\": $GATEWAY_LAT,\n\t\t\"ref_longitude\": $GATEWAY_LON,\n\t\t\"ref_altitude\": $GATEWAY_ALT,\n\t\t\"contact_email\": \"$GATEWAY_EMAIL\",\n\t\t\"description\": \"$GATEWAY_NAME\" \n\t}\n}" >./bin/local_conf.json
+echo -e "{\n\t\"gateway_conf\": {\n\t\t\"gateway_ID\": \"0000000000000000\",\n\t\t\"servers\": [ { \"server_address\": \"croft.thethings.girovito.nl\", \"serv_port_up\": 1700, \"serv_port_down\": 1701, \"serv_enabled\": true } ],\n\t\t\"ref_latitude\": $GATEWAY_LAT,\n\t\t\"ref_longitude\": $GATEWAY_LON,\n\t\t\"ref_altitude\": $GATEWAY_ALT,\n\t\t\"contact_email\": \"$GATEWAY_EMAIL\",\n\t\t\"description\": \"$GATEWAY_NAME\" \n\t}\n}" >./local_conf.json
 
 # Reset gateway ID based on MAC
-./packet_forwarder/reset_pkt_fwd.sh start ./bin/local_conf.json
+../packet_forwarder/reset_pkt_fwd.sh start ./local_conf.json
 
 # Test the connection, wait if needed.
 while [[ $(ping -c1 google.com 2>&1 | grep " 0% packet loss") == "" ]]; do
diff --git a/start.sh~ b/start.sh~
index 7bdc839..cc0b05d 100755
--- a/start.sh~
+++ b/start.sh~
@@ -1,5 +1,43 @@
 #! /bin/bash
 
+# Configure the global and local configuration files via the environment
+
+echo "Configuring gateway:"
+
+if [[ $GATEWAY_NAME == "" ]]; then
+    echo "ERROR: NO GATEWAY_NAME FOUND IN ENVIRONMENT"
+    exit 1
+fi
+echo GATEWAY_NAME: $GATEWAY_NAME
+
+if [[ $GATEWAY_EMAIL == "" ]]; then
+    echo "ERROR: NO GATEWAY_EMAIL FOUND IN ENVIRONMENT"
+    exit 1
+fi
+echo GATEWAY_EMAIL: $GATEWAY_EMAIL
+
+if [[ $GATEWAY_LAT == "" ]]; then
+    echo "ERROR: NO GATEWAY_LAT (latitude) FOUND IN ENVIRONMENT"
+    exit 1
+fi
+echo GATEWAY_LAT: $GATEWAY_LAT
+
+if [[ $GATEWAY_LON == "" ]]; then
+    echo "ERROR: NO GATEWAY_LON (longitude) FOUND IN ENVIRONMENT"
+    exit 1
+fi
+echo GATEWAY_LON: $GATEWAY_LON
+
+if [[ $GATEWAY_ALT == "" ]]; then
+    echo "ERROR: NO GATEWAY_ALT (altitude) FOUND IN ENVIRONMENT"
+    exit 1
+fi
+echo GATEWAY_ALT: $GATEWAY_ALT
+
+echo ""
+
+echo -e "{\n\t\"gateway_conf\": {\n\t\t\"gateway_ID\": \"0000000000000000\",\n\t\t\"servers\": [ { \"server_address\": \"croft.thethings.girovito.nl\", \"serv_port_up\": 1700, \"serv_port_down\": 1701, \"serv_enabled\": true } ],\n\t\t\"ref_latitude\": $GATEWAY_LAT,\n\t\t\"ref_longitude\": $GATEWAY_LON,\n\t\t\"ref_altitude\": $GATEWAY_ALT,\n\t\t\"contact_email\": \"$GATEWAY_EMAIL\",\n\t\t\"description\": \"$GATEWAY_NAME\" \n\t}\n}" >./bin/local_conf.json
+
 # Reset gateway ID based on MAC
 ./packet_forwarder/reset_pkt_fwd.sh start ./bin/local_conf.json