Dockerfile.frontend

#Build stage
FROM golang:1.19-alpine3.16 AS buildstage

ENV CGO_ENABLED=0

WORKDIR /app

COPY common ./common
COPY frontend ./frontend

RUN cd frontend && go install gioui.org/cmd/gogio@latest

RUN cd common && go mod tidy

RUN cd frontend && go mod tidy

RUN cd frontend && gogio -target js -o dist cmd/main.go

RUN cd frontend && go build -o static cmd/static/main.go

COPY frontend/cmd/static/dist/index.html frontend/dist
COPY frontend/cmd/static/dist/wasm.js frontend/dist/wasm.js
COPY frontend/assets/appicon.ico frontend/dist/favicon.ico
COPY frontend/assets/images/thumbnail.png frontend/dist/images/thumbnail.png

ARG API_URL=http://localhost:8001
ENV API_URL ${API_URL}

ARG STATIC_FOLDER=dist
ENV STATIC_FOLDER ${STATIC_FOLDER}

RUN echo "window.API_URL = '${API_URL}';" >> frontend/dist/wasm.js
RUN echo "window.STATIC_FOLDER = '${STATIC_FOLDER}';" >> frontend/dist/wasm.js

# Runtime
FROM scratch

EXPOSE 8080

VOLUME /data

WORKDIR /

COPY --from=buildstage /app/frontend/dist /dist
COPY --from=buildstage /app/frontend/static /static

ENTRYPOINT ["/static"]
CMD []