diff --git a/Dockerfile b/Dockerfile
index c942820..f115cdf 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -14,6 +14,8 @@ RUN adduser -h /var/lib/matrix-bridge -u 2222 -D -G matrix-bridge matrix-bridge
 
 COPY --from=builder /go/bin/mautrix-whatsapp /bin/mautrix-whatsapp
 
+RUN apk --no-cache add ca-certificates
+
 WORKDIR /var/lib/matrix-bridge
 
 RUN mkdir /var/lib/matrix-bridge/data
@@ -23,5 +25,5 @@ ADD /rootfs /
 RUN chown -R matrix-bridge:matrix-bridge /var/lib/matrix-bridge
 ENV HOME /var/lib/matrix-bridge
 
-EXPOSE 9005
+EXPOSE 8080
 
diff --git a/rootfs/etc/confd/templates/config.yaml.tmpl b/rootfs/etc/confd/templates/config.yaml.tmpl
index 7bb5083..edbca87 100644
--- a/rootfs/etc/confd/templates/config.yaml.tmpl
+++ b/rootfs/etc/confd/templates/config.yaml.tmpl
@@ -36,8 +36,8 @@ appservice:
     avatar: mxc://maunium.net/NeXNQarUbrlYBiPCpprYsRqr
 
   # Authentication tokens for AS <-> HS communication. Autogenerated; do not modify.
-  as_token: ""
-  hs_token: ""
+  as_token: "{{ getenv "AS_TOKEN" }}"
+  hs_token: {{ getenv "HS_TOKEN" }}"
 
 # Bridge config. Currently unused.
 bridge: