Dockerfile

# syntax = docker/dockerfile:1

FROM node:18-bullseye-slim as base

LABEL fly_launch_runtime="Remix"

# Remix app lives here
WORKDIR /app

# Set production environment
ENV NODE_ENV=production

# TODO: read from package.json
ARG PNPM_VERSION=7.33.0
RUN npm install -g pnpm@$PNPM_VERSION


# Throw-away build stage to reduce size of final image
FROM base as build

# Install packages needed to build node modules
RUN apt-get update -qq && \
    apt-get install -y python-is-python3 pkg-config build-essential 

# Install node modules
COPY --link .npmrc package.json pnpm-lock.yaml ./
RUN pnpm install --frozen-lockfile --prod=false

# Copy application code
COPY --link . .

# Build application
RUN pnpm run build

# Remove development dependencies
RUN pnpm prune --prod


# Final stage for app image
FROM base

ENV FLY="true"
ENV NODE_ENV="production"

# Copy built application
COPY --from=build /app /app

# Start the server by default, this can be overwritten at runtime
EXPOSE 3000
CMD [ "pnpm", "run", "start" ]