# ---- Builder Stage (Frontend WASM) ----
FROM rust:alpine AS frontend-builder

RUN apk add --no-cache musl-dev
RUN rustup target add wasm32-unknown-unknown
RUN cargo install trunk --version 0.22.0-beta.1 --locked

WORKDIR /app

# Copy workspace definition and lock file for dependency caching
COPY services/frontend/Cargo.toml services/frontend/Cargo.lock ./

# Copy shared-types library
COPY services/frontend/shared-types ./shared-types/

# Copy frontend source
COPY services/frontend/frontend ./frontend/

# Build WASM bundle via trunk
RUN cd frontend && trunk build --release

# ---- Runner Stage ----
FROM nginx:alpine

COPY infra/docker/nginx/nginx.conf /etc/nginx/conf.d/default.conf

# Copy frontend static files from builder stage
COPY --from=frontend-builder /app/frontend/dist /usr/share/nginx/html

EXPOSE 80

CMD ["nginx", "-g", "daemon off;"]