Setup fly.io deployments

apps/api/Dockerfile

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+# syntax = docker/dockerfile:1
+
+# Adjust BUN_VERSION as desired
+ARG BUN_VERSION=1.3.14
+FROM oven/bun:${BUN_VERSION}-slim AS base
+
+LABEL fly_launch_runtime="Bun"
+
+# Bun 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 --no-install-recommends -y build-essential pkg-config python-is-python3
+
+# Install node modules
+COPY bun.lock package.json ./
+COPY apps/api/package.json apps/api/package.json
+COPY apps/portal/package.json apps/portal/package.json
+COPY packages/calculator/package.json packages/calculator/package.json
+COPY packages/commerce/package.json packages/commerce/package.json
+COPY packages/domain/package.json packages/domain/package.json
+RUN bun install
+
+# Copy application code
+COPY . .
+
+# Build application
+RUN bun run build:api
+
+
+# Final stage for app image
+FROM base
+
+# Copy compiled binary
+COPY --from=build /app/apps/api/dist/server /app/server
+
+# Start the server by default, this can be overwritten at runtime
+EXPOSE 3000
+CMD [ "/app/server" ]