add_mattermost (#1)

Reviewed-on: #1
Co-authored-by: Arjun Hemrajani <arjun@excloud.in>
Co-committed-by: Arjun Hemrajani <arjun@excloud.in>

mattermost/domain.sh

@@ -0,0 +1,30 @@
+#!/bin/bash
+
+APP_NAME="mattermost"
+APP_DIR="/var/excloud/apps"
+APP_UPSTREAM_PORT="${EXC_APP_UPSTREAM_PORT:-8065}"
+
+DOMAIN="${1}"
+
+if [ -z "${DOMAIN}" ]; then
+  echo "Error: URL argument is required. Example:" >&2
+  echo "domain.sh sub.example.com" >&2
+  exit 1
+fi
+
+MATTERMOST_DIR="${APP_DIR}/${APP_NAME}"
+COMPOSE_FILE="${MATTERMOST_DIR}/docker-compose.yml"
+ENV_FILE="${MATTERMOST_DIR}/.env"
+
+source /var/excloud/scripts/caddy-setup.sh
+
+sed -i "s|MM_SERVICESETTINGS_SITEURL: .*|MM_SERVICESETTINGS_SITEURL: https://${DOMAIN}|" "${COMPOSE_FILE}"
+
+if is_app_ready "$MATTERMOST_DIR"; then
+    docker compose --env-file "${ENV_FILE}" -f "${COMPOSE_FILE}" up -d --remove-orphans
+    switch_domain "$DOMAIN" "$APP_UPSTREAM_PORT" "$MATTERMOST_DIR"
+else
+    setup_initializing_page "$DOMAIN" "$APP_NAME" "$MATTERMOST_DIR"
+    docker compose --env-file "${ENV_FILE}" -f "${COMPOSE_FILE}" up -d --remove-orphans
+    wait_and_switch_to_proxy "$DOMAIN" "$APP_UPSTREAM_PORT" "$MATTERMOST_DIR" &
+fi