authelia/Dockerfile

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# =======================================
# ===== Build image for the backend =====
# =======================================
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FROM golang:1.14.2-alpine AS builder-backend
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ARG BUILD_TAG
ARG BUILD_COMMIT
# gcc and musl-dev are required for building go-sqlite3
RUN apk --no-cache add gcc musl-dev
WORKDIR /go/src/app
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COPY go.mod go.sum ./
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RUN go mod download
COPY cmd cmd
COPY internal internal
# Set the build version and time
RUN echo "Write tag ${BUILD_TAG} and commit ${BUILD_COMMIT} in binary." && \
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sed -i "s/__BUILD_TAG__/${BUILD_TAG}/" cmd/authelia/constants.go && \
sed -i "s/__BUILD_COMMIT__/${BUILD_COMMIT}/" cmd/authelia/constants.go
# CGO_ENABLED=1 is mandatory for building go-sqlite3
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RUN cd cmd/authelia && \
GOOS=linux GOARCH=amd64 CGO_ENABLED=1 go build -tags netgo -ldflags '-w -linkmode external -extldflags -static' -trimpath -o authelia
# ========================================
# ===== Build image for the frontend =====
# ========================================
FROM node:14-alpine AS builder-frontend
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WORKDIR /node/src/app
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COPY web .
# Install the dependencies and build
RUN yarn install --frozen-lockfile && INLINE_RUNTIME_CHUNK=false yarn build
# ===================================
# ===== Authelia official image =====
# ===================================
FROM alpine:3.11.6
RUN apk --no-cache add ca-certificates tzdata
WORKDIR /usr/app
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COPY --from=builder-backend /go/src/app/cmd/authelia/authelia ./
COPY --from=builder-frontend /node/src/app/build public_html
EXPOSE 9091
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VOLUME /etc/authelia
VOLUME /var/lib/authelia
ENV PATH="/usr/app:${PATH}"
CMD ["./authelia", "--config", "/etc/authelia/configuration.yml"]