# ===================================================================
# Dockerfile for Meldestelle Web-App (Hybrid Build)
# Version: 3.2.0 - Optimized & Cleaned
# ===================================================================

# === GLOBAL ARGS ===
ARG CADDY_VERSION=2.11-alpine
ARG VERSION=1.0.0-SNAPSHOT
ARG BUILD_DATE

# ===================================================================
# Stage 1: Runtime Stage (Caddy)
# ===================================================================
FROM caddy:${CADDY_VERSION}

# envsubst für Env-Var-Substitution zur Laufzeit
RUN apk add --no-cache gettext

ARG VERSION
ARG BUILD_DATE

LABEL service="web-app" \
      version="${VERSION}" \
      maintainer="Meldestelle Development Team" \
      build.date="${BUILD_DATE}"

# Copy Caddy Config & Entrypoint
COPY config/docker/caddy/web-app/Caddyfile /etc/caddy/Caddyfile
COPY config/docker/caddy/web-app/entrypoint.sh /entrypoint.sh
# config.json als Template ablegen; der Entrypoint erzeugt daraus zur Laufzeit die finale config.json
COPY config/docker/caddy/web-app/config.json /usr/share/caddy/config.json.tmpl
RUN chmod +x /entrypoint.sh

# Copy Pre-built Static Assets from Host (WasmJs)
# NOTE: BUILD_DATE wird hier genutzt, um den Layer-Cache zu invalidieren,
#       falls sich der Code geändert hat, aber die Dateimetadaten im Runner-Cache gleich blieben.
ARG BUILD_DATE
COPY config/docker/caddy/web-app/_site/ /usr/share/caddy/
# index.html wird als Template abgelegt; der Entrypoint erzeugt daraus zur Laufzeit die finale index.html
RUN mv /usr/share/caddy/index.html /usr/share/caddy/index.html.tmpl

# Ensure favicon exists (fallback)
# Using the shared asset from existing config structure
COPY config/docker/nginx/web-app/favicon.svg /usr/share/caddy/favicon.svg

EXPOSE 80

HEALTHCHECK --interval=30s --timeout=5s --start-period=10s --retries=3 \
    CMD wget --no-verbose --tries=1 --spider http://localhost/health || exit 1

ENTRYPOINT ["/entrypoint.sh"]
CMD ["caddy", "run", "--config", "/etc/caddy/Caddyfile", "--adapter", "caddyfile"]