Dockerfile

FROM  node:21.7.3-alpine as node

WORKDIR /build

# Copy package.json and install dependencies
COPY web ./
RUN yarn install

# Copy assets to build
COPY web ./web
COPY web/public ./web/public

# Build web
RUN yarn build 

FROM golang:1.22.2-alpine AS builder

RUN mkdir /pulseup
WORKDIR /pulseup

# Important: required for go-sqlite3
ENV CGO_ENABLED=1
RUN apk add --no-cache \
    gcc \
    # Required for Alpine
    musl-dev

# Copy go mod files
COPY go.* ./
RUN go mod download

# Copy assets built with node
COPY --from=node /build/dist ./web/dist

# Copy all other files
COPY internal ./internal
COPY main.go ./
COPY .env ./

# Args
ARG TAG=head
ARG TARGETOS TARGETARCH
ENV TARGETOS=linux
ENV TARGETARCH=amd64

# Build binary
RUN GOOS=$TARGETOS GOARCH=$TARGETARCH go build -ldflags "-s -w -X main.version=$TAG -extldflags '-static'" -o pulseup

FROM scratch

COPY --from=builder /pulseup/.env ./
COPY --from=builder /pulseup/pulseup ./

EXPOSE 7070

ENTRYPOINT ["/pulseup"]