diff --git a/oneuptime/docker-compose-master.yml b/oneuptime/docker-compose-master.yml
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+++ b/oneuptime/docker-compose-master.yml
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+services:
+  # 1. OneUptime Frontend & API Gateway (Zentraler Einstiegspunkt)
+  oneuptime:
+    image: oneuptime/oneuptime:${ONEUPTIME_VERSION:-latest}
+    container_name: oneuptime-master
+    restart: ${RESTART_POLICY:-always}
+    ports:
+      - "${HOST_PORT_HTTP:-8080}:80"
+      - "${HOST_PORT_HTTPS:-4433}:443"
+    environment:
+      - CONTAINER_NAME=oneuptime
+      - PORT=${INTERNAL_PORT:-80}
+      - ENCRYPTION_SECRET=${ENCRYPTION_SECRET:-ein_sehr_sicheres_zufaelliges_passwort_123!}
+      - APP_NAME=${APP_NAME:-OneUptime}
+      - TZ=${TIMEZONE:-Europe/Berlin}
+      - DATABASE_HOST=oneuptime-postgres
+      - REDIS_HOST=oneuptime-redis
+      - CLICKHOUSE_HOST=oneuptime-clickhouse
+    volumes:
+      - ${ONEUPTIME_DATA_DIR:-/opt/docker/oneuptime/app}:/usr/src/app/data
+    depends_on:
+      - oneuptime-postgres
+      - oneuptime-redis
+      - oneuptime-clickhouse
+
+  # 2. PostgreSQL: Primäre relationale Datenbank für Konfigurationen und Benutzerdaten
+  oneuptime-postgres:
+    image: postgres:${POSTGRES_VERSION:-15-alpine}
+    container_name: oneuptime-postgres
+    restart: ${RESTART_POLICY:-always}
+    environment:
+      - POSTGRES_USER=${POSTGRES_USER:-oneuptime}
+      - POSTGRES_PASSWORD=${POSTGRES_PASSWORD:-postgres_secure_pass_99!}
+      - POSTGRES_DB=${POSTGRES_DB:-oneuptimedb}
+      - TZ=${TIMEZONE:-Europe/Berlin}
+    volumes:
+      - ${POSTGRES_DATA_DIR:-/opt/docker/oneuptime/postgres}:/var/lib/postgresql/data
+
+  # 3. Redis: In-Memory-Datenbank für Caching, Echtzeit-Events und Job-Queues
+  oneuptime-redis:
+    image: redis:${REDIS_VERSION:-7-alpine}
+    container_name: oneuptime-redis
+    restart: ${RESTART_POLICY:-always}
+    command: redis-server --appendonly yes
+    environment:
+      - TZ=${TIMEZONE:-Europe/Berlin}
+    volumes:
+      - ${REDIS_DATA_DIR:-/opt/docker/oneuptime/redis}:/data
+
+  # 4. ClickHouse: Spaltenorientierte Datenbank für massenhafte Log-Daten und Metriken
+  oneuptime-clickhouse:
+    image: clickhouse/clickhouse-server:${CLICKHOUSE_VERSION:-latest}
+    container_name: oneuptime-clickhouse
+    restart: ${RESTART_POLICY:-always}
+    environment:
+      - TZ=${TIMEZONE:-Europe/Berlin}
+    ulimits:
+      nofile:
+        soft: 262144
+        hard: 262144
+    volumes:
+      - ${CLICKHOUSE_DATA_DIR:-/opt/docker/oneuptime/clickhouse}:/var/lib/clickhouse