Dockerfile

# Frontend Base Image
FROM node:26-alpine AS frontend-build

COPY . /app
WORKDIR /app/frontend

RUN npm install -g @go-task/cli
RUN npm ci
RUN task frontend

# Go Builder
FROM --platform=$BUILDPLATFORM golang:1.26.4-bookworm AS build

ARG VERSION=demo
ARG TARGETOS
ARG TARGETARCH

WORKDIR /app

COPY . .
COPY --from=frontend-build /app/frontend/public/assets/css /app/frontend/public/assets/css
COPY --from=frontend-build /app/frontend/public/assets/js/ /app/frontend/public/assets/js/

RUN go mod download
RUN go tool templ generate

RUN CGO_ENABLED=0 GOOS=$TARGETOS GOARCH=$TARGETARCH go build -a -installsuffix cgo -ldflags "-X main.version=${VERSION} -s -w" -o dist/kiosk .

# Release
FROM gcr.io/distroless/static-debian13:nonroot

ENV TZ=Europe/London
ENV TERM=xterm-256color
ENV DEBUG_COLORS=true
ENV COLORTERM=truecolor

WORKDIR /

COPY --from=build /app/demo.config.yaml .
COPY --from=build /app/dist/kiosk .

USER nonroot

ENTRYPOINT ["/kiosk"]