Dockerfile

# syntax=docker/dockerfile:1

# Comments are provided throughout this file to help you get started.
# If you need more help, visit the Dockerfile reference guide at
# https://docs.docker.com/go/dockerfile-reference/

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ARG NODE_VERSION=lts
ARG PNPM_VERSION=9.11.0

FROM node:${NODE_VERSION}-alpine

# Use production node environment by default.
ENV NODE_ENV=production

# Install pnpm.
RUN --mount=type=cache,target=/root/.npm \
    npm install -g pnpm@${PNPM_VERSION}

WORKDIR /usr/src/app

# Download dependencies as a separate step to take advantage of Docker's caching.
# Leverage a cache mount to /root/.local/share/pnpm/store to speed up subsequent builds.
# Leverage a bind mounts to package.json and pnpm-lock.yaml to avoid having to copy them into
# into this layer.
RUN --mount=type=bind,source=package.json,target=package.json \
    --mount=type=bind,source=pnpm-lock.yaml,target=pnpm-lock.yaml \
    --mount=type=cache,target=/root/.local/share/pnpm/store \
    pnpm install --prod --frozen-lockfile

# Copy the rest of the source files into the image.
COPY . .

# Expose the port that the application listens on.
EXPOSE 8545

# Run the application.
CMD ["pnpm", "start"]