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neoirc/Dockerfile
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clawbot 04f60eea50
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Remove BUILDARCH and stamp the git version in Docker builds (closes #107, closes #109)
The Makefile no longer passes a build architecture; it set a variable that
does not exist, and the architecture is available at run time.

A plain docker build now stamps neoircd with the tag or short commit:
.dockerignore sends .git, without its config, and the builder takes the
version from the VERSION build arg when given, otherwise from git describe.
With .git present, an empty, dev or unknown version fails the build.

Model: opus-5-5
2026-10-02 01:27:56 +00:00

71 lines
2.5 KiB
Docker

# Web build stage — compile SPA from source
# node:22-alpine, 2026-03-09
FROM node@sha256:8094c002d08262dba12645a3b4a15cd6cd627d30bc782f53229a2ec13ee22a00 AS web-builder
WORKDIR /web
COPY web/package.json web/package-lock.json ./
RUN npm ci
COPY web/src/ src/
COPY web/build.sh build.sh
RUN sh build.sh
# Lint stage — fast feedback on formatting and lint issues
# golangci/golangci-lint:v2.1.6, 2026-03-02
FROM golangci/golangci-lint@sha256:568ee1c1c53493575fa9494e280e579ac9ca865787bafe4df3023ae59ecf299b AS lint
WORKDIR /src
COPY go.mod go.sum ./
RUN go mod download
COPY . .
# Create placeholder files so //go:embed dist/* in web/embed.go resolves
# without depending on the web-builder stage (lint should fail fast)
RUN mkdir -p web/dist && touch web/dist/index.html web/dist/style.css web/dist/app.js
RUN make fmt-check
RUN make lint
# Build stage
# golang:1.24-alpine, 2026-02-26
FROM golang@sha256:8bee1901f1e530bfb4a7850aa7a479d17ae3a18beb6e09064ed54cfd245b7191 AS builder
WORKDIR /src
RUN apk add --no-cache git build-base make
# Force BuildKit to run the lint stage before proceeding
COPY --from=lint /src/go.sum /dev/null
COPY go.mod go.sum ./
RUN go mod download
COPY . .
COPY --from=web-builder /web/dist/ web/dist/
RUN make test
# Build static binaries (no cgo needed at runtime — modernc.org/sqlite is pure Go)
#
# neoircd is stamped with the VERSION build arg when one is given, otherwise
# with the tag or short commit from the .git in the build context. With .git
# present, a version that is still empty, dev or unknown fails the build.
ARG VERSION
RUN VERSION="${VERSION:-$(git describe --tags --always)}"; \
if [ -e .git ]; then \
case "$VERSION" in ""|dev|unknown) \
echo "version is '$VERSION' although .git is present" >&2; \
exit 1 ;; \
esac; \
fi; \
CGO_ENABLED=0 go build -trimpath -ldflags="-s -w -X main.Version=${VERSION}" -o /neoircd ./cmd/neoircd/
RUN CGO_ENABLED=0 go build -trimpath -ldflags="-s -w" -o /neoirc-cli ./cmd/neoirc-cli/
# Runtime stage
# alpine:3.21, 2026-02-26
FROM alpine@sha256:c3f8e73fdb79deaebaa2037150150191b9dcbfba68b4a46d70103204c53f4709
RUN apk add --no-cache ca-certificates \
&& addgroup -S neoirc && adduser -S neoirc -G neoirc \
&& mkdir -p /var/lib/neoirc \
&& chown neoirc:neoirc /var/lib/neoirc
COPY --from=builder /neoircd /usr/local/bin/neoircd
USER neoirc
EXPOSE 8080 6667
HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
CMD wget -qO- http://localhost:8080/.well-known/healthcheck.json || exit 1
ENTRYPOINT ["neoircd"]