Fly.io setup with 1 machine

Dockerfile

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+# syntax = docker/dockerfile:1
+
+FROM oven/bun:1.2.12-slim as base
+
+LABEL fly_launch_runtime="Bun"
+
+# NodeJS 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-is-python3 pkg-config build-essential 
+
+# Install node modules
+COPY --link package.json .
+RUN bun install --production
+
+# Copy application code
+COPY --link . .
+
+# Final stage for app image
+FROM base
+
+# Copy built application
+COPY --from=build /app /app
+
+# Start the server by default, this can be overwritten at runtime
+CMD [ "bun", "run", "start" ]