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The previous rework removed web/dist/ from git tracking (correct) but did not add a web-builder stage to the Dockerfile. This caused //go:embed dist/* in web/embed.go to fail with 'no matching files found'. Add the 4-stage Dockerfile layout: 1. web-builder: compile Preact JSX SPA via esbuild 2. lint: format checking and linting with placeholder dist files 3. builder: compile Go binaries with real web assets from web-builder 4. runtime: minimal Alpine image with neoircd binary Also update README to document the 4-stage build.
60 lines
2.1 KiB
Docker
60 lines
2.1 KiB
Docker
# Web build stage — compile SPA from source
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# node:22-alpine, 2026-03-09
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FROM node@sha256:8094c002d08262dba12645a3b4a15cd6cd627d30bc782f53229a2ec13ee22a00 AS web-builder
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WORKDIR /web
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COPY web/package.json web/package-lock.json ./
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RUN npm ci
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COPY web/src/ src/
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COPY web/build.sh build.sh
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RUN sh build.sh
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# Lint stage — fast feedback on formatting and lint issues
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# golangci/golangci-lint:v2.1.6, 2026-03-02
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FROM golangci/golangci-lint@sha256:568ee1c1c53493575fa9494e280e579ac9ca865787bafe4df3023ae59ecf299b AS lint
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WORKDIR /src
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COPY go.mod go.sum ./
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RUN go mod download
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COPY . .
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# Create placeholder files so //go:embed dist/* in web/embed.go resolves
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# without depending on the web-builder stage (lint should fail fast)
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RUN mkdir -p web/dist && touch web/dist/index.html web/dist/style.css web/dist/app.js
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RUN make fmt-check
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RUN make lint
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# Build stage
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# golang:1.24-alpine, 2026-02-26
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FROM golang@sha256:8bee1901f1e530bfb4a7850aa7a479d17ae3a18beb6e09064ed54cfd245b7191 AS builder
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WORKDIR /src
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RUN apk add --no-cache git build-base make
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# Force BuildKit to run the lint stage before proceeding
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COPY --from=lint /src/go.sum /dev/null
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COPY go.mod go.sum ./
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RUN go mod download
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COPY . .
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COPY --from=web-builder /web/dist/ web/dist/
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RUN make test
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# Build static binaries (no cgo needed at runtime — modernc.org/sqlite is pure Go)
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ARG VERSION=dev
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RUN CGO_ENABLED=0 go build -trimpath -ldflags="-s -w -X main.Version=${VERSION}" -o /neoircd ./cmd/neoircd/
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RUN CGO_ENABLED=0 go build -trimpath -ldflags="-s -w" -o /neoirc-cli ./cmd/neoirc-cli/
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# Runtime stage
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# alpine:3.21, 2026-02-26
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FROM alpine@sha256:c3f8e73fdb79deaebaa2037150150191b9dcbfba68b4a46d70103204c53f4709
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RUN apk add --no-cache ca-certificates \
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&& addgroup -S neoirc && adduser -S neoirc -G neoirc \
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&& mkdir -p /var/lib/neoirc \
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&& chown neoirc:neoirc /var/lib/neoirc
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COPY --from=builder /neoircd /usr/local/bin/neoircd
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USER neoirc
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EXPOSE 8080
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HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
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CMD wget -qO- http://localhost:8080/.well-known/healthcheck.json || exit 1
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ENTRYPOINT ["neoircd"]
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