Fly.io Dockerfile

Dockerfile

# ------------------------------
# First stage: build the app
# This includes all dependencies.
# ------------------------------
FROM node:16.19-alpine as builder

ARG PORT

WORKDIR /app

# Install dependencies
COPY package.json yarn.lock ./
RUN yarn install --frozen-lockfile
COPY . .

# Build the app
RUN yarn run build:ci

# ------------------------------
# Second stage: the actual production image
# This includes only the runtime and the app itself.
# ------------------------------
FROM node:16.19-alpine

# Create app directory
WORKDIR /app

# Install app dependencies
COPY --from=builder /app/package.json /app/yarn.lock ./
COPY --from=builder /app/dist ./dist

# Move schema to the root of the project, since that's what Prisma expects
RUN mv ./dist/prisma ./prisma

RUN yarn install --production --frozen-lockfile

# Railway and Fly.io require host to be this - https://docs.railway.app/deploy/exposing-your-app
ENV HOST="0.0.0.0"
EXPOSE $PORT

CMD [ "yarn", "start:prod" ]