zbin

Containerfile

1	# --- build stage -------------------------------------------------------------
2	# Use the Alpine-flavored Bun image so the compiled binary is musl-linked and
3	# runs directly on the Alpine runtime image below.
4	FROM oven/bun:1-alpine AS build
5	WORKDIR /app
6
7	# Install deps first for better layer caching.
8	COPY package.json bun.lock ./
9	RUN bun install --frozen-lockfile
10
11	# Build the client bundles into assets/dist, then compile the server into a
12	# single standalone binary that embeds the Bun runtime.
13	COPY . .
14	RUN bun run build && bun build --compile src/index.ts --outfile zbin-server
15
16	# --- runtime stage -----------------------------------------------------------
17	FROM alpine:3.21
18	WORKDIR /app
19
20	# The musl-linked Bun binary still dynamically links libstdc++/libgcc.
21	# catatonit is a tiny init that reaps zombies and forwards signals to the server.
22	RUN apk add --no-cache libstdc++ libgcc catatonit
23
24	# The compiled server plus the static assets it serves from ./assets at runtime.
25	COPY --from=build /app/zbin-server ./zbin-server
26	COPY --from=build /app/assets ./assets
27
28	EXPOSE 3000
29	ENTRYPOINT ["/usr/bin/catatonit", "--"]
30	CMD ["./zbin-server"]
31