FROM node:20-bullseye

# Create app directory
WORKDIR /app

# Install system dependencies
RUN set -eux; \
  apt-get update; \
  apt-get install -y --no-install-recommends \
    ca-certificates \
    curl \
    git \
    build-essential \
    python3 \
  ; \
  rm -rf /var/lib/apt/lists/*

# Install Bun (JavaScript runtime / package manager used by this project)
ENV BUN_INSTALL=/root/.bun
ENV PATH="$BUN_INSTALL/bin:$PATH"
RUN curl -fsSL https://bun.sh/install | bash

# Verify Bun is installed
RUN bun --version

# Provide default Hardhat environment variables for Hardhat config to enable compilation in the image
ENV HARDHAT_VAR_MNEMONIC="test test test test test test test test test test test junk"
ENV HARDHAT_VAR_INFURA_API_KEY="zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz"
ENV MNEMONIC="test test test test test test test test test test test junk"
ENV INFURA_API_KEY="zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz"

# Copy manifest files first to leverage Docker cache
COPY package.json bun.lockb ./

# Install project dependencies
RUN bun install

# Copy the rest of the source code
COPY . .

# Build the project from source
RUN bun run compile

# Default to a shell for easy experimentation
CMD ["/bin/bash"]