diff --git a/tests/docker/coffee/signature.pk b/tests/docker/coffee/signature.pk
new file mode 100644
index 0000000..0c78a05
--- /dev/null
+++ b/tests/docker/coffee/signature.pk
@@ -0,0 +1 @@
+sig:tTVe59Ko5XuwgS8PneR92FAOqbgSHTKYn8U-lQRB9KODn0J_yPXCZCZGDUyS95hul2Jn7X7-EVT15FEmZADCZw
\ No newline at end of file
diff --git a/tests/docker/coffee/signature.pub b/tests/docker/coffee/signature.pub
new file mode 100644
index 0000000..f4e4c07
--- /dev/null
+++ b/tests/docker/coffee/signature.pub
@@ -0,0 +1 @@
+sig:g59Cf8j1wmQmRg1MkveYbpdiZ-1-_hFU9eRRJmQAwmc
\ No newline at end of file
diff --git a/tests/docker/teapot/signature.pk b/tests/docker/teapot/signature.pk
new file mode 100644
index 0000000..74900b5
--- /dev/null
+++ b/tests/docker/teapot/signature.pk
@@ -0,0 +1 @@
+sig:kPfGxpsnisJIp5pKuD1AI7-T1bLk1S-EGOr7jBq5AO4wNdS6uKkCj8gC_4RlMSgWGkh2GxfF8ws26dKdDPFiJg
\ No newline at end of file
diff --git a/tests/docker/teapot/signature.pub b/tests/docker/teapot/signature.pub
new file mode 100644
index 0000000..f304b8a
--- /dev/null
+++ b/tests/docker/teapot/signature.pub
@@ -0,0 +1 @@
+sig:MDXUuripAo_IAv-EZTEoFhpIdhsXxfMLNunSnQzxYiY
\ No newline at end of file