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| Original file line number | Diff line number | Diff line change |
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| # This file is the work of https://github.com/shinsenter/php | ||
| ################################################################################ | ||
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| ARG BASE_IMAGE=ubuntu:latest | ||
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| ################################################################################ | ||
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| # prepares base image | ||
| FROM ${BASE_IMAGE} as build | ||
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| # sets version for s6 overlay | ||
| ARG S6_DIR=/usr/src/s6/ | ||
| ARG S6_SRC_DEP="xz-utils wget" | ||
| ARG S6_SRC_URL="https://github.com/just-containers/s6-overlay/releases/download" | ||
| ARG S6_VERSION | ||
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| # disable frontend | ||
| ENV DEBIAN_FRONTEND=noninteractive | ||
| ENV TERM=xterm | ||
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| # checks build argument | ||
| RUN if [ -z "$S6_VERSION" ]; then \ | ||
| echo "Please set S6_VERSION build argument."; exit 1; \ | ||
| fi | ||
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| # adds build dependencies | ||
| RUN apt-get update -y | ||
| RUN apt-get install -y $S6_SRC_DEP --no-install-recommends --no-install-suggests | ||
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| # detect system arch then select the right version of s6 | ||
| RUN export SYS_ARCH=$(uname -m); \ | ||
| case "$SYS_ARCH" in \ | ||
| aarch64 ) export S6_ARCH='aarch64' ;; \ | ||
| arm ) export S6_ARCH='arm' ;; \ | ||
| arm* ) export S6_ARCH='armhf' ;; \ | ||
| i4+ ) export S6_ARCH='i486' ;; \ | ||
| i6+ ) export S6_ARCH='i686' ;; \ | ||
| riscv64 ) export S6_ARCH='riscv64' ;; \ | ||
| s390* ) export S6_ARCH='s390x' ;; \ | ||
| * ) export S6_ARCH='x86_64' ;; \ | ||
| esac; \ | ||
| \ | ||
| # adds s6 overlay | ||
| echo "⬇️ Downloading s6 overlay:${S6_ARCH}-${S6_VERSION} for ${SYS_ARCH}..." \ | ||
| && mkdir -p $S6_DIR \ | ||
| && untar (){ \ | ||
| echo " ⏬ Downloading $1"; \ | ||
| wget --no-check-certificate -O- $1 | tar Jxp -C ${2:-"$S6_DIR"}; \ | ||
| } \ | ||
| && untar ${S6_SRC_URL}/${S6_VERSION}/s6-overlay-noarch.tar.xz \ | ||
| && untar ${S6_SRC_URL}/${S6_VERSION}/s6-overlay-${S6_ARCH}.tar.xz \ | ||
| && du -sh $S6_DIR | ||
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| ################################################################################ | ||
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| # the main image | ||
| FROM scratch | ||
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| # copies from from build stage | ||
| COPY --from=build /usr/src/s6/ / | ||
| ENTRYPOINT ["/init"] | ||
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| ################################################################################ | ||
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| ARG BUILD_NUMBER | ||
| LABEL build_number="$BUILD_NUMBER" | ||
| LABEL maintainer="[email protected]" | ||
| LABEL publisher="https://hub.docker.com/u/shinsenter" |
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| # shinsenter/s6-overlay | ||
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| The images in this repository contain only the unpacked s6-overlay as a multi-platform build stage. | ||
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| https://hub.docker.com/r/shinsenter/s6-overlay | ||
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| [](https://hub.docker.com/r/shinsenter/s6-overlay) [](https://hub.docker.com/r/shinsenter/s6-overlay/tags) | ||
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| * * * | ||
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| ## About this project | ||
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| The images in this repository contain only the unpacked [s6-overlay](https://github.com/just-containers/s6-overlay) as a multi-platform and reusable build stage. | ||
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| The s6-overlay was built specifically for the lifecycle of containers, giving you a more accurate way of bringing containers down and monitoring their health. | ||
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| ## Usage | ||
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| This repository is not intended to be used directly, but rather consumed in other Dockerfiles as a multi-platform and reusable build stage. | ||
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| ```Dockerfile | ||
| FROM ubuntu | ||
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| # adds file from the shinsenter/s6-overlay image | ||
| COPY --from=shinsenter/s6-overlay / / | ||
| ENTRYPOINT ["/init"] | ||
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| # runs other commands | ||
| RUN ... | ||
| ``` | ||
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| ## Supported platforms | ||
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| This repository uses multi-platform images via Docker manifests. You do not need to use a platform-specific tag (although you can); Docker will automatically choose the appropriate architecture. Currently, the supported architectures are: | ||
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| - linux/amd64 | ||
| - linux/arm/v7 | ||
| - linux/arm64 | ||
| - linux/ppc64le | ||
| - linux/riscv64 | ||
| - linux/s390x |
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