Dockerfile

# stage 1 Generate torch Binary
FROM --platform=$BUILDPLATFORM docker.io/golang:1.21.3-alpine3.18 as builder

ARG TARGETOS
ARG TARGETARCH
ENV CGO_ENABLED=0
ENV GO111MODULE=on

WORKDIR /

COPY go.mod go.sum ./
# Download dependencies
RUN go mod download
COPY . .
RUN CGO_ENABLED=${CGO_ENABLED} GOOS=${TARGETOS} GOARCH=${TARGETARCH} go build -o /go/bin/torch ./cmd/main.go

# stage 2
FROM docker.io/alpine:3.18.4
WORKDIR /
# Read here why UID 10001: https://github.com/hexops/dockerfile/blob/main/README.md#do-not-use-a-uid-below-10000
ARG UID=10001
ARG USER_NAME=torch

ENV USR_HOME=/home/${USER_NAME}

# hadolint ignore=DL3018
RUN adduser ${USER_NAME} \
    -D \
    -g ${USER_NAME} \
    -h ${USR_HOME} \
    -s /sbin/nologin \
    -u ${UID}

COPY --from=builder /go/bin/torch .

EXPOSE 8080

ENTRYPOINT ["./torch"]