diff --git a/.gitignore b/.gitignore
index 5b2501c..047d548 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 **/.DS_Store
 *.env
+!wakusim.env
diff --git a/wakusim.env b/wakusim.env
new file mode 100644
index 0000000..b5afba7
--- /dev/null
+++ b/wakusim.env
@@ -0,0 +1,11 @@
+# Env variables for metal-01.he-eu-hel1.wakusim.misc host.
+NWAKU_IMAGE=wakuorg/nwaku:v0.20.0
+GOWAKU_IMAGE=wakuorg/go-waku:v0.8.0
+# Network scaling.
+NUM_NWAKU_NODES=100
+NUM_GOWAKU_NODES=0
+# Simulation traffic.
+MSG_PER_SECOND=10
+MSG_SIZE_KBYTES=10
+# Enable automatic Docker image updates.
+WATCHTOWER_ENABLED=true