rd13_tile_server/services/marker-api/Dockerfile
Conrad Schulz 9df190aca8 feat: add Go marker-api service for MediaWiki Kartographer pin support
- services/marker-api/: Go HTTP service (0 external deps, ~8 MB RAM)
  - Mathematically correct teardrop pin shape (Google Maps style)
  - Tangent-based outline: circle + straight sides meeting at tip
  - White border + white inner dot, in-memory cache (max 500 entries)
- .forgejo/workflows/build-marker-api.yml: CI builds & pushes to
  Forgejo registry on push to main (image: rd13_tile_server-marker-api)
- docker-compose.yml: add marker-api service on port 9984
- Caddyfile (rd13_system_proxy): route /styles/v4/marker/* -> :9984
- docs/ADMIN.md + MAINTAINER.md: marker-api dokumentiert

Fixes: /styles/v4/marker/pin-m+{color}(@{scale}x).png was 404, now 200
2026-07-01 11:59:00 +00:00

20 lines
938 B
Docker

# ── Stage 1: Build ──────────────────────────────────────────────────────────
FROM golang:1.21-alpine AS builder
WORKDIR /build
COPY go.mod main.go ./
# Statisch gelinkt, minimales Binary (~5 MB)
RUN CGO_ENABLED=0 GOOS=linux go build -ldflags="-s -w" -o marker-api .
# ── Stage 2: Run ─────────────────────────────────────────────────────────────
# alpine:3.19 ≈ 8 MB Basis, wget für Healthcheck
FROM alpine:3.19
RUN apk add --no-cache wget
COPY --from=builder /build/marker-api /usr/local/bin/marker-api
EXPOSE 3000
ENV PORT=3000
HEALTHCHECK --interval=30s --timeout=5s --start-period=5s --retries=3 \
CMD wget -qO- http://localhost:3000/health || exit 1
ENTRYPOINT ["marker-api"]