Dockerfile

# syntax = docker/dockerfile:1

# Adjust NODE_VERSION as desired
ARG NODE_VERSION=16.16.0
FROM node:${NODE_VERSION}-slim as base

LABEL fly_launch_runtime="Node.js"

# Node.js app lives here
WORKDIR /app

# Set production environment
ENV NODE_ENV=production


# 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 pkg-config build-essential 

# Install node modules
COPY --link package-lock.json package.json ./
RUN npm ci --include=dev

# Copy application code
COPY --link . .

# Remove development dependencies
RUN npm prune --omit=dev


# Final stage for app image
FROM base

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

# Setup sqlite3 on a separate volume
RUN mkdir -p /data
VOLUME /data
ENV DATABASE_URL="file:///data/sqlite.db"

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