From dc1269358a7cf9b5cc11d3293d543fb5f2c3e550 Mon Sep 17 00:00:00 2001
From: Gabriel Petry <24570030+gabrielpetry@users.noreply.github.com>
Date: Thu, 13 Nov 2025 11:49:07 -0300
Subject: [PATCH 1/4] feat: Introduce ROCKETCHAT_BACKEND_SERVERS env var for
 Traefik

---
 compose.traefik.yml | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/compose.traefik.yml b/compose.traefik.yml
index 28f7497..54e46f1 100644
--- a/compose.traefik.yml
+++ b/compose.traefik.yml
@@ -2,6 +2,8 @@ services:
   traefik-init:
     image: docker.io/alpine:latest
     entrypoint: sh
+    environment:
+      ROCKETCHAT_BACKEND_SERVERS: ${ROCKETCHAT_BACKEND_SERVERS:-rocketchat:3000}
     command:
       - -c
       - |-

From f3b12dddc31aed1354fea9bdd1d2ecc97ac55c45 Mon Sep 17 00:00:00 2001
From: Gabriel Petry <24570030+gabrielpetry@users.noreply.github.com>
Date: Thu, 13 Nov 2025 11:49:07 -0300
Subject: [PATCH 2/4] feat: Dynamically configure Rocket.Chat backends in
 Traefik

---
 compose.traefik.yml | 51 +++++++++++++++++++++++++++------------------
 1 file changed, 31 insertions(+), 20 deletions(-)

diff --git a/compose.traefik.yml b/compose.traefik.yml
index 54e46f1..fa4968c 100644
--- a/compose.traefik.yml
+++ b/compose.traefik.yml
@@ -11,7 +11,30 @@ services:
         # quote 'eof' to prevent variable expansion
         rm -rf /traefik_config/* || true
         mkdir -p /traefik_config/http /traefik_config/https
-        cat <<'EOF' | tee /traefik_config/http/dynamic.yml
+        # this should be idented so it works inside the heredoc concatenation later
+        cat <<'EOF' > /traefik_config/services.tpl
+          services:
+            grafana:
+              loadBalancer:
+                servers:
+                  - url: "http://grafana:3000"
+            rocketchat:
+              loadBalancer:
+                healthCheck:
+                  path: /health
+                  interval: 10s
+                  timeout: 3s
+                servers:
+        EOF
+
+        echo "ROCKETCHAT_BACKEND_SERVERS $$ROCKETCHAT_BACKEND_SERVERS"
+        # append the server list to the services template
+        for server in $(echo $$ROCKETCHAT_BACKEND_SERVERS | tr "," "\n"); do
+          echo "          - url: \"http://$$server\"" >> /traefik_config/services.tpl
+        done
+
+
+        cat <<'EOF' > /traefik_config/http/dynamic.yml
         http:
           routers:
             rocketchat:
@@ -29,18 +52,9 @@ services:
                 {{ else }}
                   Host(`{{ env "GRAFANA_DOMAIN" }}`)
                 {{ end }}
-          services:
-            rocketchat:
-              loadBalancer:
-                servers:
-                  - url: "http://rocketchat:3000"
-            grafana:
-              loadBalancer:
-                servers:
-                  - url: "http://grafana:3000"
         EOF
 
-        cat <<'EOF' | tee /traefik_config/https/dynamic.yml
+        cat <<'EOF' > /traefik_config/https/dynamic.yml
         https:
           address: ":443"
           http:
@@ -69,17 +83,14 @@ services:
               service: grafana
               tls:
                 certResolver: le
-          services:
-            rocketchat:
-              loadBalancer:
-                servers:
-                  - url: "http://rocketchat:3000"
-            grafana:
-              loadBalancer:
-                servers:
-                  - url: "http://grafana:3000"
         EOF
 
+        cat /traefik_config/services.tpl >> /traefik_config/http/dynamic.yml
+        cat /traefik_config/services.tpl >> /traefik_config/https/dynamic.yml
+        cat /traefik_config/http/dynamic.yml
+        echo "-------------------------"
+        cat /traefik_config/https/dynamic.yml
+
         echo "files generated, keeping container alive to podman-compose detect it"
         tail -f /dev/null
           

From 89e66dbded392075f35da125efac3c2e3f57ae97 Mon Sep 17 00:00:00 2001
From: Gabriel Petry <24570030+gabrielpetry@users.noreply.github.com>
Date: Thu, 13 Nov 2025 11:49:08 -0300
Subject: [PATCH 3/4] docs: Add multiple server configuration to README

---
 README.md | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/README.md b/README.md
index 87b3031..a314fc7 100644
--- a/README.md
+++ b/README.md
@@ -126,3 +126,14 @@ podman compose \
   -f compose.yml \
   up -d
 ```
+
+
+---
+
+### Multiple servers
+When running multiple Rocket.Chat servers, you can configure Traefik to discover those servers and include them in load balancing by adding a variable in the `.env` file:
+
+```env
+ROCKETCHAT_BACKEND_SERVERS=rocketchat-1:3000,rocketchat-2:3000,rocketchat-3:3000
+```
+

From c03198c7dfa9641e76ef3edb44b52e03d80c1cf5 Mon Sep 17 00:00:00 2001
From: Debdut Chakraborty <debdutdeb@outlook.com>
Date: Tue, 2 Dec 2025 18:12:28 +0530
Subject: [PATCH 4/4] Apply suggestion from @debdutdeb

---
 compose.traefik.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/compose.traefik.yml b/compose.traefik.yml
index fa4968c..54e6ec0 100644
--- a/compose.traefik.yml
+++ b/compose.traefik.yml
@@ -29,7 +29,7 @@ services:
 
         echo "ROCKETCHAT_BACKEND_SERVERS $$ROCKETCHAT_BACKEND_SERVERS"
         # append the server list to the services template
-        for server in $(echo $$ROCKETCHAT_BACKEND_SERVERS | tr "," "\n"); do
+        for server in $(echo $$ROCKETCHAT_BACKEND_SERVERS | tr "," "\n" | tr -d " "); do
           echo "          - url: \"http://$$server\"" >> /traefik_config/services.tpl
         done