restic/docker/Dockerfile

FROM golang:1.25-alpine AS builder

WORKDIR /go/src/github.com/restic/restic

# Caching dependencies
COPY go.mod go.sum ./
RUN go mod download

COPY . .
RUN go run build.go
FROM alpine:latest AS restic
RUN apk add --no-cache ca-certificates fuse openssh-client tzdata jq

COPY --from=builder /go/src/github.com/restic/restic/restic /usr/bin
COPY ./docker/entrypoint.sh /entrypoint.sh

# IO class default is "none"- 0, however busybox reject ionice `-c0 -n<something>`
# since priority has no meaning for no scheduler.
# Thus the entrypoint script below is necessary
ENV IONICE_CLASS=
ENV IONICE_PRIORITY=4
ENV NICE=0

ENTRYPOINT ["/entrypoint.sh"]