Fix Dokploy deploy: support private Gitea repo and document exit 128.

Add GITEA_REPO_URL for authenticated clone, improve startup logging, default FRONTEND_PORT to 8082, and update deployment README.

Co-authored-by: Cursor <cursoragent@cursor.com>

docker-compose-example/docker-compose.yml

@@ -3,11 +3,13 @@
 # ============================================================
 # Dokploy-compatible pattern: uses pre-built image + runtime git clone.
 # Dokploy only copies docker-compose.yml + .env to the server, so local
-# build context with a Dockerfile does not work. This approach matches
-# other working apps on our servers (e.g. wdj-hermes-frontend-matrix).
+# build context with a Dockerfile does not work.
 #
-# Port hosta: FRONTEND_PORT z .env (domyślnie 8080) → nginx w kontenerze na porcie 80.
+# Port hosta: FRONTEND_PORT z .env (domyślnie 8082) → nginx w kontenerze na porcie 80.
 # Dokploy/Traefik routuje po FQDN do wewnętrznego portu 80 kontenera.
+#
+# WAŻNE: repozytorium Gitea musi być publiczne LUB ustaw GITEA_REPO_URL z tokenem w .env
+# (patrz README — bez tego git clone kończy się exit 128 i kontener restartuje w pętli).
 # ============================================================
 
 services:
@@ -16,21 +18,26 @@ services:
     container_name: slavic-pulse-com-frontend
     restart: unless-stopped
     ports:
-      - "${FRONTEND_PORT:-8080}:80"
+      - "${FRONTEND_PORT:-8082}:80"
 
     env_file:
       - .env
 
     command: >
-      sh -c "
+      sh -ce "
+        echo '[slavic-pulse] Installing git + gettext...' &&
         apk add --no-cache git gettext &&
+        echo '[slavic-pulse] Cloning repo...' &&
         rm -rf /app &&
-        git clone https://gitea.expert-it.agency-ai.dev/tomasz-syn-grzegorza/site-slavic-pulse-com.git /app &&
+        git clone --depth 1 \"$${GITEA_REPO_URL:-https://gitea.expert-it.agency-ai.dev/tomasz-syn-grzegorza/site-slavic-pulse-com.git}\" /app &&
+        echo '[slavic-pulse] Generating index.html from .env...' &&
         chmod +x /app/generate-from-env.sh &&
         TEMPLATE_DIR=/app /app/generate-from-env.sh /usr/share/nginx/html &&
+        echo '[slavic-pulse] Copying assets and nginx config...' &&
         cp -r /app/assets /usr/share/nginx/html/assets &&
-        rm /etc/nginx/conf.d/default.conf &&
+        rm -f /etc/nginx/conf.d/default.conf &&
         cp /app/default.conf /etc/nginx/conf.d/default.conf &&
+        echo '[slavic-pulse] Starting nginx...' &&
         nginx -g 'daemon off;'
       "
 
@@ -39,7 +46,7 @@ services:
       interval: 30s
       timeout: 10s
       retries: 3
-      start_period: 45s
+      start_period: 60s
 
     deploy:
       resources: