diff --git a/controller/PostgreSQL.cpp b/controller/PostgreSQL.cpp
index 4a33e4b61..412bca6ba 100644
--- a/controller/PostgreSQL.cpp
+++ b/controller/PostgreSQL.cpp
@@ -23,6 +23,7 @@
 #include "../version.h"
 
 #include <libpq-fe.h>
+#include <sstream>
 
 using json = nlohmann::json;
 namespace {
@@ -200,6 +201,10 @@ void PostgreSQL::initializeNetworks(PGconn *conn)
 			json empty;
 			json config;
 
+			const char *nwidparam[1] = {
+				PQgetvalue(res, i, 0)
+			};
+
 			config["id"] = PQgetvalue(res, i, 0);
 			config["nwid"] = PQgetvalue(res, i, 0);
 			config["creationTime"] = std::stoull(PQgetvalue(res, i, 1));
@@ -225,7 +230,7 @@ void PostgreSQL::initializeNetworks(PGconn *conn)
 				"SELECT host(ip_range_start), host(ip_range_end) FROM ztc_network_assignment_pool WHERE network_id = $1",
 				1,
 				NULL,
-				params,
+				nwidparam,
 				NULL,
 				NULL,
 				0);
@@ -252,7 +257,7 @@ void PostgreSQL::initializeNetworks(PGconn *conn)
 				"SELECT host(address), bits, host(via) FROM ztc_network_route WHERE network_id = $1",
 				1,
 				NULL,
-				params,
+				nwidparam,
 				NULL,
 				NULL,
 				0);
@@ -284,6 +289,8 @@ void PostgreSQL::initializeNetworks(PGconn *conn)
 			PQclear(r2);
 			
 			_networkChanged(empty, config, false);
+
+			fprintf(stderr, "%s", OSUtils::jsonDump(config, 2).c_str());
 		}
 
 		PQclear(res);
@@ -1234,4 +1241,4 @@ void PostgreSQL::onlineNotificationThread()
 	}
 	PQfinish(conn);
 }
-#endif //ZT_CONTROLLER_USE_LIBPQ
\ No newline at end of file
+#endif //ZT_CONTROLLER_USE_LIBPQ
diff --git a/docker/Dockerfile b/docker/Dockerfile
new file mode 100644
index 000000000..3b01b2ad5
--- /dev/null
+++ b/docker/Dockerfile
@@ -0,0 +1,15 @@
+# Dockerfile for ZeroTier Central Controllers
+FROM centos:7
+MAINTAINER Adam Ierymekno <adam.ierymenko@zerotier.com>, Grant Limberg <grant.limberg@zerotier.com>
+
+RUN yum update -y
+RUN yum install -y https://download.postgresql.org/pub/repos/yum/10/redhat/rhel-7-x86_64/pgdg-centos10-10-2.noarch.rpm
+RUN yum install -y postgresql10
+
+ADD zerotier-one /usr/local/bin/zerotier-one
+RUN chmod a+x /usr/local/bin/zerotier-one
+
+ADD docker/main.sh /
+RUN chmod a+x /main.sh
+
+ENTRYPOINT /main.sh 
diff --git a/docker/main.sh b/docker/main.sh
new file mode 100644
index 000000000..f0054a94f
--- /dev/null
+++ b/docker/main.sh
@@ -0,0 +1,44 @@
+#!/usr/bin/env bash
+
+if [ -z "$ZT_IDENTITY_PATH" ]; then
+    echo '*** FAILED: ZT_IDENTITY_PATH environment variable is not defined'
+    exit 1
+fi
+if [ -z "$ZT_DB_HOST" ]; then
+    echo '*** FAILED: ZT_DB_HOST environment variable not defined'
+    exit 1
+fi
+if [ -z "$ZT_DB_PORT" ]; then
+    echo '*** FAILED: ZT_DB_PORT environment variable not defined'
+    exit 1
+fi
+if [ -z "$ZT_DB_USER" ]; then
+    echo '*** FAILED: ZT_DB_USER environment variable not defined'
+    exit 1
+fi
+if [ -z "$ZT_DB_PASSWORD" ]; then
+    echo '*** FAILED: ZT_DB_PASSWORD environment variable not defined'
+    exit 1
+fi
+
+mkdir -p /var/lib/zerotier-one
+
+pushd /var/lib/zerotier-one
+ln -s $ZT_IDENTITY_PATH/identity.public identity.public
+ln -s $ZT_IDENTITY_PATH/identity.secret identity.secret
+popd
+
+echo "{
+    \"settings\": {
+        \"portMappingEnabled\": true,
+        \"softwareUpdate\": \"disable\",
+        \"interfadePrefixBlacklist\": [
+            \"inot\",
+            \"nat64\"
+        ],
+        \"controllerDbPath\": \"postgres:host=${ZT_DB_HOST} port=${ZT_DB_PORT} dbname=ztc user=${ZT_DB_USER} password=${ZT_DB_PASSWORD}\"
+    }
+}    
+" > /var/lib/zerotier-one/local.conf
+
+exec /usr/local/bin/zerotier-one /var/lib/zerotier-one
diff --git a/make-linux.mk b/make-linux.mk
index 9b128f1de..78ea98dea 100644
--- a/make-linux.mk
+++ b/make-linux.mk
@@ -22,6 +22,9 @@ ONE_OBJS+=osdep/LinuxNetLink.o
 NLTEST_OBJS+=osdep/LinuxNetLink.o node/InetAddress.o node/Utils.o node/Salsa20.o
 NLTEST_OBJS+=nltest.o
 
+# for central controller builds
+TIMESTAMP=$(shell date +"%Y%m%d%H%M")
+
 # Auto-detect miniupnpc and nat-pmp as well and use system libs if present,
 # otherwise build into binary as done on Mac and Windows.
 ONE_OBJS+=osdep/PortMapper.o
@@ -318,6 +321,9 @@ official:	FORCE
 central-controller:	FORCE
 	make -j4 LDLIBS="-L/usr/pgsql-10/lib/ -lpq" CXXFLAGS="-I/usr/pgsql-10/include -fPIC" DEFS="-DZT_CONTROLLER_USE_LIBPQ" ZT_OFFICIAL=1 ZT_USE_X64_ASM_ED25519=1 one
 
+central-controller-docker:	central-controller
+	docker build -t gcr.io/zerotier-central/ztcentral-controller:${TIMESTAMP} -f docker/Dockerfile . 
+
 debug:	FORCE
 	make ZT_DEBUG=1 one
 	make ZT_DEBUG=1 selftest