diff --git a/synapse/.env.dist b/synapse/.env.dist
index fe09da9..878b1d6 100644
--- a/synapse/.env.dist
+++ b/synapse/.env.dist
@@ -5,6 +5,11 @@ IMAGE_VERSION=latest
 
 DATA_PATH=./data
 
+HTTP_PORT_INT=8008
+
+INTERFACE_EXT=127.0.0.1
+HTTP_PORT_EXT=8008
+
 # (mandatory): the server public hostname:
 SYNAPSE_SERVER_NAME=my.domain.tld
 # (mandatory, yes or no): whether to enable anonymous statistics reporting:
diff --git a/synapse/docker-compose.yml b/synapse/docker-compose.yml
index 9b890a5..df464f8 100644
--- a/synapse/docker-compose.yml
+++ b/synapse/docker-compose.yml
@@ -6,6 +6,8 @@ services:
     # https://github.com/matrix-org/synapse/tree/master/docker
     image: "matrixdotorg/synapse:${IMAGE_VERSION:-latest}"
     container_name: synapse
+    ports:
+      - "${INTERFACE_EXT:-127.0.0.1}:${HTTP_PORT_EXT:-8008}:${HTTP_PORT_INT:-8008}/tcp"
     volumes:
       - "${DATA_PATH:-./data}:/data"
     env_file: .env