--- a/bitcoind/templates/bitcoin.conf.j2	Tue May 12 19:51:46 2020 -0500
+++ b/bitcoind/templates/bitcoin.conf.j2	Tue May 12 19:58:50 2020 -0500
@@ -6,10 +6,19 @@
 debug=rpc
 
 server=1
-rpcssl=1
 rpcuser={{bitcoind_rpc_user}}
 rpcpassword={{bitcoind_rpc_pass}}
 
+zmqpubrawblock=tcp://127.0.0.1:28332
+zmqpubrawtx=tcp://127.0.0.1:28333
+
+# raspberry pi optimizations
+dbcache=100
+maxorphantx=10
+maxmempool=50
+maxconnections=40
+maxuploadtarget=5000
+
 txindex={{bitcoind_enable_txindex}}
 
 {% for node in bitcoind_add_node %}addnode={{node}}