# -------- Stage 1: Build the Deno application --------
FROM denoland/deno:latest AS builder

# Set the working directory inside the builder container
WORKDIR /app

# Copy the application source code and configuration files
COPY src/ ./src/
COPY deno.jsonc ./deno.jsonc
COPY import_map.json ./import_map.json

# Compile the application to a self-contained native binary
# Permissions and flags should be specified during compile time
RUN deno task compile

# -------- Stage 2: Minimal runtime environment --------
FROM debian:bookworm-slim

# Optional: Install curl for container-level health checks
RUN apt-get update \
    && apt-get install -y --no-install-recommends curl \
    && rm -rf /var/lib/apt/lists/*

# Copy only the compiled application binary from the builder stage
COPY --from=builder /app/app /app/app

# Set the working directory for the runtime container
WORKDIR /app

# Define expected environment variables (can be overridden at runtime)
ENV PROXY_HOST=0.0.0.0
ENV PROXY_PORT=8011
ENV LT_SERVER_HOST=localhost
ENV LT_SERVER_PORT=8010
ENV API_KEYS=demo-key

# Define the default command to run the application binary
CMD ["/app/app"]