Add gitignore and add startup stack.

.gitignore

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+/.idea

rist-startup/docker-compose.yaml

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+version: '3'
+
+services:
+  startup-app:
+    image: cs-git.ddnss.de/ri-st/startup
+    container_name: startup-app
+    links:
+      - startup-db
+    networks:
+      - proxy
+      - startup
+    restart: unless-stopped
+    working_dir: /var/www/html
+    labels:
+      - "traefik.enable=true"
+      - "traefik.http.routers.rist-startup.rule=Host(`startup.ri-st.de`)"
+      - "traefik.http.routers.rist-startup.entrypoints=web"
+      - "traefik.http.routers.rist-startup.middlewares=rist-startup"
+      - "traefik.http.middlewares.rist-startup.redirectscheme.scheme=https"
+      - "traefik.http.routers.rist-startup-secure.rule=Host(`startup.ri-st.de`)"
+      - "traefik.http.routers.rist-startup-secure.entrypoints=websecure"
+      - "traefik.http.routers.rist-startup-secure.tls=true"
+      - "traefik.http.routers.rist-startup-secure.tls.certresolver=cs"
+      - "traefik.http.routers.rist-startup-secure.service=rist-startup-secure"
+      - "traefik.http.services.rist-startup-secure.loadbalancer.server.port=80"
+
+  startup-db:
+    image: mysql:8
+    container_name: startup-db
+    restart: unless-stopped
+    volumes:
+      - startup-db:/var/lib/mysql
+    networks:
+      - startup
+    environment:
+      MYSQL_ROOT_PASSWORD: 7PtL4UGRkUnT753SrZQE9dpZt3aV745J
+      MYSQL_PASSWORD: WL5U6tnGYRm3t5iS2294PHVY4C55KuEL
+      MYSQL_USER: startup
+      MYSQL_DATABASE: startup
+
+networks:
+  startup:
+
+volumes:
+  startup-db: