# Build Shulker without modifying the submodule; run as non-root; persist config and read logs via volumes
FROM node:22-alpine AS build

WORKDIR /app

# Enable corepack so yarn is available (Node 18+)
RUN corepack enable

# Copy only dependency manifests first for better layer caching
COPY external/shulker/package.json external/shulker/yarn.lock ./external/shulker/

WORKDIR /app/external/shulker

# Install dependencies
RUN yarn install --frozen-lockfile || yarn install

# Copy source and build
COPY external/shulker/ /app/external/shulker/
RUN yarn build

FROM node:22-alpine

WORKDIR /app

# Copy built app from builder
COPY --from=build /app/external/shulker /app

# Prepare runtime directories and non-root user
RUN adduser -D -h /app -u 10001 shulker \
    && mkdir -p /data /minecraft/logs \
    && chown -R shulker:shulker /app /data /minecraft

# Copy entrypoint
COPY docker/shulker/entrypoint.sh /entrypoint.sh
RUN chmod +x /entrypoint.sh

# Install helpful runtime tools
RUN apk add --no-cache jq su-exec

# Start as root to allow entrypoint to chown mounted volumes, then drop to non-root
USER root

# Shulker default port
EXPOSE 8000

# Volumes: /data holds config.json, /minecraft/logs maps to the server logs
VOLUME ["/data", "/minecraft/logs"]

ENTRYPOINT ["/entrypoint.sh"]
CMD ["node", "build/index.js"]