# Stage 1: Build Binary
FROM golang:1.22 AS builder
WORKDIR /app

# Download Dependencies
COPY go.mod go.sum ./
RUN --mount=type=cache,target=/root/.cache/go-build \
  go mod download

# Setup and Build
COPY . ./
RUN --mount=type=bind \
  CGO_ENABLED=0 GOOS=linux go build -o /snow

# Stage 2: Deploy Binary
FROM busybox:1.36-glibc as busybox
FROM gcr.io/distroless/base AS deploy
WORKDIR /app

# Copy binaries from Busybox
COPY --from=busybox /bin /bin

# Setup user
RUN adduser -D -h /app snow
RUN chown snow /app
COPY --from=builder --chown=snow --chmod=700 /snow /app/snow

EXPOSE 3000
ENTRYPOINT ["/app/snow"]