feat(docker): add single-image multi-stage Docker setup with compose
- Multi-stage build: Node builds the frontend, Go builds a static CGO-free binary, runtime is Alpine with CA certificates - Add docker-compose.yml with persistent volume for the SQLite database - Add .dockerignore to keep the build context slim - Embed time/tzdata in the Go binary for OS-independent timezones - Document image build, startup, secrets, and reverse-proxy setup in README
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13
.dockerignore
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.dockerignore
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# Build-Kontext schlank halten
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**/node_modules
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frontend/dist
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**/*.db
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**/*.db-wal
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**/*.db-shm
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.env
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**/.env
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!**/.env.example
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.git
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.gitignore
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*.md
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tmp
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Dockerfile
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Dockerfile
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# ──────────────────────────────────────────────────────────────────────
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# WannPassts – Multi-Stage-Build: Frontend + Backend in einem Image
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# Bauen: docker build -t wannpassts .
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# Starten: docker run -p 8080:8080 -v wannpassts-data:/data wannpassts
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# ──────────────────────────────────────────────────────────────────────
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# ── Stage 1: Frontend bauen ───────────────────────────────────────────
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FROM node:22-alpine AS frontend
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WORKDIR /build
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# Dependencies zuerst (besserer Layer-Cache)
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COPY frontend/package.json frontend/package-lock.json ./
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RUN npm ci
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COPY frontend/ ./
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RUN npm run build
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# ── Stage 2: Backend bauen (CGO-frei → statisches Binary) ────────────
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# go.mod verlangt Go >= 1.25 (modernc.org/sqlite)
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FROM golang:1.25-alpine AS backend
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WORKDIR /build
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COPY backend/go.mod backend/go.sum ./
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RUN go mod download
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COPY backend/ ./
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RUN CGO_ENABLED=0 GOOS=linux go build -trimpath -ldflags="-s -w" -o /out/wannpassts ./cmd/server
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# ── Stage 3: Laufzeit ─────────────────────────────────────────────────
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FROM alpine:3.20
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# ca-certificates: nötig für HTTPS zu Google/CalDAV/ICS-Servern
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RUN apk add --no-cache ca-certificates tzdata \
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&& adduser -D -H -u 1000 app \
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&& mkdir -p /data && chown -R app:app /data
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WORKDIR /app
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COPY --from=backend /out/wannpassts ./wannpassts
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COPY --from=frontend /build/dist ./dist
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USER app
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ENV PORT=8080 \
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DB_PATH=/data/wannpassts.db \
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STATIC_DIR=/app/dist \
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APP_URL=http://localhost:8080 \
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FRONTEND_URL=http://localhost:8080
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VOLUME /data
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EXPOSE 8080
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HEALTHCHECK --interval=30s --timeout=5s --start-period=5s --retries=3 \
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CMD wget -qO- http://127.0.0.1:8080/api/health || exit 1
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ENTRYPOINT ["/app/wannpassts"]
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32
README.md
32
README.md
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@ -60,6 +60,38 @@ go run ./cmd/server
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Der Go-Server liefert dann das Frontend (`dist/`) **und** die API über einen Port.
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Der Go-Server liefert dann das Frontend (`dist/`) **und** die API über einen Port.
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## Docker (alles in einem Image)
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Multi-Stage-Build: Node baut das Frontend, Go ein statisches Binary (CGO-frei dank modernc-SQLite), Laufzeit ist Alpine mit CA-Zertifikaten (für Google-/CalDAV-/ICS-HTTPS-Aufrufe). Frontend liegt im Image unter `/app/dist` und wird vom Go-Server mit ausgeliefert — **ein Port, ein Container, eine URL.**
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```bash
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# Image bauen
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docker build -t wannpassts .
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# Starten (Datenbank im Volume, damit sie Updates überlebt)
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docker run -d --name wannpassts -p 8080:8080 \
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-e JWT_SECRET=$(openssl rand -hex 32) \
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-e ENCRYPTION_KEY=$(openssl rand -hex 32) \
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-v wannpassts-data:/data \
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wannpassts
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```
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Oder mit Compose (liest Secrets aus `.env` im Projektroot bzw. `backend/.env`):
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```bash
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cp backend/.env.example backend/.env # Secrets & Google-Zugänge eintragen
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docker compose up -d --build
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```
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Hinter einem Reverse-Proxy / mit Domain zusätzlich setzen:
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```bash
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-e APP_URL=https://termine.deinedomain.de \
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-e FRONTEND_URL=https://termine.deinedomain.de
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```
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Wichtig: `JWT_SECRET` und `ENCRYPTION_KEY` dauerhaft setzen (Container-Neustarts sonst neue Secrets → Logins/Token ungültig), und die Google-Redirect-URI auf `{APP_URL}/api/calendars/google/callback` konfigurieren. Das SQLite-File liegt im Volume `/data`.
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### PWA-Hinweise
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### PWA-Hinweise
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- Der Service Worker wird nur im Production-Build registriert (`npm run build` + Auslieferung über `STATIC_DIR`), nicht im Vite-Dev-Modus.
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- Der Service Worker wird nur im Production-Build registriert (`npm run build` + Auslieferung über `STATIC_DIR`), nicht im Vite-Dev-Modus.
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@ -3,6 +3,8 @@ package main
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import (
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import (
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"log"
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"log"
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"net/http"
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"net/http"
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// Zeitzonen-Datenbank einbetten – macht das Binary unabhängig vom OS (Docker/Distroless)
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_ "time/tzdata"
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"wannpassts/internal/calendar"
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"wannpassts/internal/calendar"
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"wannpassts/internal/config"
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"wannpassts/internal/config"
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23
docker-compose.yml
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docker-compose.yml
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services:
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wannpassts:
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build: .
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image: wannpassts
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container_name: wannpassts
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restart: unless-stopped
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ports:
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- "8080:8080"
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# Secrets und Google-Zugangsdaten: backend/.env anlegen
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# (cp backend/.env.example backend/.env) und Kommentar entfernen:
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# env_file: backend/.env
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environment:
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APP_URL: ${APP_URL:-http://localhost:8080}
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FRONTEND_URL: ${FRONTEND_URL:-http://localhost:8080}
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JWT_SECRET: ${JWT_SECRET:-}
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ENCRYPTION_KEY: ${ENCRYPTION_KEY:-}
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GOOGLE_CLIENT_ID: ${GOOGLE_CLIENT_ID:-}
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GOOGLE_CLIENT_SECRET: ${GOOGLE_CLIENT_SECRET:-}
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volumes:
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- wannpassts-data:/data
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volumes:
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wannpassts-data:
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