feat: Docker-Compose-Setup zum Selbsthosten
Dreistufiges Image: Abhängigkeiten, Build, Laufzeit. Im Endbild landen nur der standalone-Server, die statischen Dateien und die Prisma-CLI — letztere, damit der Container ausstehende Migrationen beim Start selbst einspielt. Der Entrypoint wartet per TCP-Verbindung auf die Datenbank, statt dafür ein zusätzliches Paket ins Laufzeitimage zu ziehen.
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node_modules
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.next
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.git
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.env
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.env.local
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data
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docs/screenshots
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*.log
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test-results
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playwright-report
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# =============================================================================
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# Flimmer — Produktionsimage
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#
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# Drei Stufen, damit im Endbild weder Quellcode noch Build-Werkzeuge landen:
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# deps — Abhängigkeiten installieren (gut cachebar)
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# builder — Prisma-Client erzeugen und Next bauen
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# runner — nur das Nötige: standalone-Server, statische Dateien, Prisma-CLI
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# =============================================================================
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FROM node:24-alpine AS base
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# Nachbau der glibc-Aufrufe, die Prisma-Engines und Next erwarten
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RUN apk add --no-cache libc6-compat
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ENV NEXT_TELEMETRY_DISABLED=1
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# --- Abhängigkeiten ----------------------------------------------------------
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FROM base AS deps
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WORKDIR /app
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COPY package.json package-lock.json ./
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RUN npm ci --no-audit --no-fund
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# --- Build -------------------------------------------------------------------
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FROM base AS builder
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WORKDIR /app
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COPY --from=deps /app/node_modules ./node_modules
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COPY . .
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# Beim Bauen wird keine echte Datenbank angefasst; die Platzhalter verhindern
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# nur, dass die Konfigurationsprüfung mangels Werten abbricht.
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ENV DATABASE_URL="postgresql://build:build@localhost:5432/build?schema=public"
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ENV AUTH_SECRET="build-time-placeholder-nicht-verwenden"
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ENV NODE_ENV=production
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RUN npx prisma generate && npx next build
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# --- Laufzeit ----------------------------------------------------------------
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FROM base AS runner
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WORKDIR /app
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ENV NODE_ENV=production
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ENV PORT=3000
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ENV HOSTNAME=0.0.0.0
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ENV DATA_DIR=/app/data
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RUN addgroup -g 1001 -S nodejs \
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&& adduser -S -u 1001 -G nodejs flimmer
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COPY --from=builder /app/public ./public
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COPY --from=builder --chown=flimmer:nodejs /app/.next/standalone ./
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COPY --from=builder --chown=flimmer:nodejs /app/.next/static ./.next/static
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# Prisma-CLI und Schema bleiben im Image, damit der Container beim Start seine
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# eigenen Migrationen ausspielen kann (`prisma migrate deploy`).
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COPY --from=builder /app/prisma ./prisma
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COPY --from=builder /app/prisma.config.mjs ./prisma.config.mjs
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COPY --from=builder /app/node_modules/prisma ./node_modules/prisma
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COPY --from=builder /app/node_modules/@prisma ./node_modules/@prisma
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COPY docker/entrypoint.sh /usr/local/bin/entrypoint.sh
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RUN chmod +x /usr/local/bin/entrypoint.sh \
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&& mkdir -p /app/data/images \
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&& chown -R flimmer:nodejs /app/data
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USER flimmer
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EXPOSE 3000
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VOLUME ["/app/data"]
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HEALTHCHECK --interval=30s --timeout=5s --start-period=40s --retries=3 \
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CMD node -e "fetch('http://127.0.0.1:'+(process.env.PORT||3000)+'/api/health').then(r=>process.exit(r.ok?0:1)).catch(()=>process.exit(1))"
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ENTRYPOINT ["/usr/local/bin/entrypoint.sh"]
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CMD ["node", "server.js"]
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# =============================================================================
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# Flimmer — Selbsthosting mit Docker Compose
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#
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# cp .env.example .env # anpassen, vor allem Passwort und AUTH_SECRET
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# docker compose up -d
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#
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# Danach läuft Flimmer auf http://localhost:3000. Für den Betrieb hinter einem
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# Reverse Proxy (Caddy, Traefik, nginx) APP_URL auf die öffentliche Adresse
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# setzen und /api/health als Healthcheck eintragen.
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# =============================================================================
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services:
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app:
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# Zum Selberbauen: `docker compose build`. Wer ein fertiges Image nutzt,
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# ersetzt `build` durch `image: …`.
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build:
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context: .
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dockerfile: Dockerfile
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image: flimmer:latest
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container_name: flimmer
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restart: unless-stopped
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depends_on:
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db:
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condition: service_healthy
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environment:
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DATABASE_URL: postgresql://${POSTGRES_USER:-flimmer}:${POSTGRES_PASSWORD:?POSTGRES_PASSWORD fehlt in der .env}@db:5432/${POSTGRES_DB:-flimmer}?schema=public
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APP_URL: ${APP_URL:-http://localhost:3000}
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APP_NAME: ${APP_NAME:-Flimmer}
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AUTH_SECRET: ${AUTH_SECRET:?AUTH_SECRET fehlt in der .env}
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DATA_DIR: /app/data
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TZ: ${TZ:-Europe/Berlin}
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ALLOW_REGISTRATION: ${ALLOW_REGISTRATION:-true}
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TMDB_API_KEY: ${TMDB_API_KEY:-}
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TMDB_ACCESS_TOKEN: ${TMDB_ACCESS_TOKEN:-}
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TMDB_LANGUAGE: ${TMDB_LANGUAGE:-de-DE}
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TMDB_REGION: ${TMDB_REGION:-DE}
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ENABLE_SCHEDULER: ${ENABLE_SCHEDULER:-true}
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SYNC_HOUR: ${SYNC_HOUR:-4}
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CRON_SECRET: ${CRON_SECRET:-}
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SMTP_HOST: ${SMTP_HOST:-}
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SMTP_PORT: ${SMTP_PORT:-587}
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SMTP_USER: ${SMTP_USER:-}
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SMTP_PASSWORD: ${SMTP_PASSWORD:-}
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SMTP_SECURE: ${SMTP_SECURE:-false}
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SMTP_FROM: ${SMTP_FROM:-Flimmer <flimmer@localhost>}
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OIDC_ISSUER: ${OIDC_ISSUER:-}
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OIDC_CLIENT_ID: ${OIDC_CLIENT_ID:-}
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OIDC_CLIENT_SECRET: ${OIDC_CLIENT_SECRET:-}
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OIDC_SCOPES: ${OIDC_SCOPES:-openid profile email}
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OIDC_BUTTON_LABEL: ${OIDC_BUTTON_LABEL:-Mit SSO anmelden}
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OIDC_AUTO_REGISTER: ${OIDC_AUTO_REGISTER:-true}
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ports:
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- "${APP_PORT:-3000}:3000"
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volumes:
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# Bild-Cache und sonstige Laufzeitdaten
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- flimmer-data:/app/data
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db:
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image: postgres:17-alpine
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container_name: flimmer-db
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restart: unless-stopped
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environment:
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POSTGRES_USER: ${POSTGRES_USER:-flimmer}
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POSTGRES_PASSWORD: ${POSTGRES_PASSWORD:?POSTGRES_PASSWORD fehlt in der .env}
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POSTGRES_DB: ${POSTGRES_DB:-flimmer}
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TZ: ${TZ:-Europe/Berlin}
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volumes:
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- flimmer-db:/var/lib/postgresql/data
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healthcheck:
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test: ["CMD-SHELL", "pg_isready -U ${POSTGRES_USER:-flimmer} -d ${POSTGRES_DB:-flimmer}"]
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interval: 10s
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timeout: 5s
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retries: 10
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start_period: 20s
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volumes:
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flimmer-data:
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flimmer-db:
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#!/bin/sh
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# Startskript des Flimmer-Containers.
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#
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# Vor dem Start der App werden ausstehende Datenbankmigrationen ausgespielt.
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# Das ist bewusst hier und nicht im Image-Build: die Datenbank existiert erst
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# zur Laufzeit, und beim Update soll das Schema automatisch nachziehen.
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set -e
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if [ -z "$DATABASE_URL" ]; then
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echo "Flimmer: DATABASE_URL ist nicht gesetzt — Abbruch." >&2
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exit 1
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fi
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# Warten, bis der Datenbank-Port annimmt. Bewusst nur eine TCP-Verbindung über
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# Node-Bordmittel — so hängt der Start nicht an einem zusätzlichen Paket.
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echo "Flimmer: warte auf die Datenbank ..."
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node -e '
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const net = require("node:net");
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const url = new URL(process.env.DATABASE_URL);
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const host = url.hostname;
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const port = Number(url.port || 5432);
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const deadline = Date.now() + 120000;
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function attempt() {
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const socket = net.connect({ host, port });
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socket.setTimeout(3000);
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socket.on("connect", () => { socket.end(); process.exit(0); });
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const retry = () => {
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socket.destroy();
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if (Date.now() > deadline) {
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console.error("Flimmer: Datenbank " + host + ":" + port + " nach 120 s nicht erreichbar.");
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process.exit(1);
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}
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setTimeout(attempt, 2000);
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};
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socket.on("error", retry);
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socket.on("timeout", retry);
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}
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attempt();
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'
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echo "Flimmer: spiele Migrationen ein ..."
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node node_modules/prisma/build/index.js migrate deploy
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echo "Flimmer: starte Anwendung."
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exec "$@"
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