Dockerfile for bun

Dockerfile

# Let us create the build step
FROM oven/bun as builder

# Set the working directory
WORKDIR /bun-builder

# Copy package and bun lock file to the workdir
COPY package.json bun.lockb ./

# Install dependencies
RUN bun install

# Copy our API http server
COPY http.ts ./

# Build the project
RUN bun build --target=bun ./http.ts --outfile=http.js

# Let us create the run step
FROM oven/bun

# Set a new and fresh workdri
WORKDIR /bun-api

# Copy the relevant files we need from the builder
COPY --from=builder /bun-builder/http.js ./
COPY --from=builder /bun-builder/package.json ./

# Start the application
CMD [ "bun", "http.js" ]

# Notes:
# If you have production dependencies you have to install those in the last steps.
# You most likely have to compile more code as well, not only one file.