s6-rootfs/README.md

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### S6-overlay rootfs
The simplest and fastest way to get S6 supervisor in your image
### Usage
```Docker
COPY --from=nlss/s6-rootfs:latest ["/", "/"]
```
or with fixed version:
```Docker
COPY --from=nlss/s6-rootfs:3.1.2.1 ["/", "/"]
```
That's it!
###### Recommended way to integrate with your image (example)
```Docker
# ---------------------
# Build root filesystem
# ---------------------
FROM scratch AS rootfs
# Copy over base files
COPY ["./rootfs", "/"]
# Install S6
COPY --from=nlss/s6-rootfs:3.1.2.1 ["/", "/"]
# ---------------------
# Build image
# ---------------------
FROM alpine:latest
COPY --from=rootfs ["/", "/"]
RUN apk add --update --no-cache nano
```