FROM node:20.18-bookworm-slim AS base
ENV PNPM_HOME="/pnpm"
ENV PATH="$PNPM_HOME:$PATH"
RUN npm install -g pnpm@10.30.1

FROM base AS build
WORKDIR /app
COPY . .
# Note: Canvas needs build tools on Debian
RUN apt-get update && apt-get install -y python3 make g++ libcairo2-dev libpango1.0-dev libjpeg-dev libgif-dev librsvg2-dev
# Delete the prebuilt binary and force a clean rebuild from source for the correct container architecture
ENV npm_config_arch=arm64
ENV npm_config_target_arch=arm64
RUN pnpm install --frozen-lockfile
RUN for dir in $(find /app/node_modules -type d -path "*/@tensorflow/tfjs-node"); do \
    cd $dir && \
    rm -rf lib/napi-v8/* && \
    npm_config_build_from_source=true npm_config_arch=arm64 npm_config_target_arch=arm64 npm run install; \
    done
# Generate models explicitly for Docker
RUN ls -la packages/image-processor/scripts || true
RUN pnpm dlx tsx packages/image-processor/scripts/download-models.ts
RUN pnpm --filter @mintel/image-processor build
RUN pnpm --filter image-service build
# Generated locally for caching

FROM base
WORKDIR /app
COPY --from=build /app/node_modules ./node_modules
COPY --from=build /app/apps/image-service/node_modules ./apps/image-service/node_modules
COPY --from=build /app/packages/image-processor/node_modules ./packages/image-processor/node_modules
# Make sure directories exist to prevent COPY errors
RUN mkdir -p /app/packages/image-processor/models /app/apps/image-service/dist
COPY --from=build /app/apps/image-service/dist ./apps/image-service/dist
COPY --from=build /app/apps/image-service/package.json ./apps/image-service/package.json
COPY --from=build /app/packages/image-processor/dist ./packages/image-processor/dist
COPY --from=build /app/packages/image-processor/package.json ./packages/image-processor/package.json
COPY --from=build /app/packages/image-processor/models ./packages/image-processor/models

# Need runtime dependencies for canvas/sharp on Debian
RUN apt-get update && apt-get install -y libcairo2 libpango-1.0-0 libjpeg62-turbo libgif7 librsvg2-2 && rm -rf /var/lib/apt/lists/*

EXPOSE 8080
WORKDIR /app/apps/image-service
CMD ["npm", "run", "start"]