commit 8f394f6ab6766ed200861f6ed2b8a834232a31d6
Author: Nils Freydank <nils.freydank@posteo.de>
Date:   Wed Apr 29 09:15:00 2020 +0200

    Initial commit

diff --git a/.gitignore b/.gitignore
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+++ b/.gitignore
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+# ---> Vim
+# Swap
+[._]*.s[a-v][a-z]
+[._]*.sw[a-p]
+[._]s[a-rt-v][a-z]
+[._]ss[a-gi-z]
+[._]sw[a-p]
+
+# Session
+Session.vim
+
+# Temporary
+.netrwhist
+*~
+# Auto-generated tag files
+tags
+# Persistent undo
+[._]*.un~
+
+# ---> Kate
+# Swap Files #
+.*.kate-swp
+.swp.*
+
+# ---> Local stuff
+# Intermediate Tar archives
+*.tar*
diff --git a/COPYING-MIT b/COPYING-MIT
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+++ b/COPYING-MIT
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+Copyright 2020 Nils Freydank
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+the Software, and to permit persons to whom the Software is furnished to do so,
+subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/Dockerfile b/Dockerfile
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+++ b/Dockerfile
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+#
+# Dockerfile to create an alpinelinux container.
+# Copyright (C) 2020 by Nils Freydank <nils+container@holgersson.xyz>,
+# published under the terms of the MIT license.
+#
+# Note: This copyright and license only affects the docker/podman file itself.
+#       The installed softwarecomponents have their own respective licsenses!
+
+FROM scratch as builder
+ENV GLIBC_VERSION="2.31-r0"
+ENV ALPINE_VERSION="3.11.6"
+ENV ALPINE_ARCH="x86_64"
+# Copy the rootfs from outside.
+ADD alpine-minirootfs-${ALPINE_VERSION}-${ALPINE_ARCH}.tar.gz /
+
+# Create the actual image without the env/version layers.
+FROM scratch
+MAINTAINER Nils Freydank "nils+container@holgersson.xyz"
+COPY --from=builder . .
diff --git a/README.rst b/README.rst
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+++ b/README.rst
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+alpine-x86_64
+=============
+
+This repository contains a dockerfile to create a most trustworthy base image
+for further containers. The distribution `Alpine Linux`_ is used inside.
+
+Note that alpine linux uses the `musl libc`_, which is faster and far smaller
+than the typically used glibc, but also far less supported by vendors shipping
+closed source programms as pre compiled binaries.
+
+Usage
+-----
+
+To build this container as a base for other images get sure wget, gnupg and
+`podman`_/libpod are installed and set up. Then run the setup script
+
+.. code:: shell
+
+   ./prepare-and-build.sh
+
+which will generate a container named alpine-${ARCH}:${VERSION}, e.g.
+alpine-x86_64 (with default parameters). Note that you can overwrite the
+params directly when calling the script, e.g. as
+
+.. code:: shell
+
+   ARCH="x86" prepare-and-build.sh
+
+for a 32bit installation.
+
+Author and Copying
+==================
+
+This repository is authored by `Nils Freydank`_. You can use, modify and
+share this code under the terms of the MIT license (see the file
+COPYING-MIT for details).
+
+.. links
+
+.. _`Alpine Linux`: https://alpinelinux.org/about/
+.. _`musl libc`: https://musl.libc.org/
+.. _`podman`: https://github.com/containers/libpod/
+.. _`Nils Freydank`: mailto:nils+container@holgersson.xyz?Subject:\ alpine\ podman
diff --git a/prepare-and-build.sh b/prepare-and-build.sh
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index 0000000..fe63a69
--- /dev/null
+++ b/prepare-and-build.sh
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+#!/usr/bin/env bash
+#
+# Shell script to fetch and verify alpine
+# Copyright 2020 by Nils Freydank <nils+container@holgersson.xyz>,
+# published according to terms of the MIT license.
+
+set -xeu
+PATH="/usr/bin:/usr/sbin/:/bin/:/usr/bin"
+
+VERSION="${VERSION:-3.11.6}"
+ARCH="${ARCH:-x86_64}"
+
+# Fetch!
+wget -c http://dl-cdn.alpinelinux.org/alpine/v${VERSION%.[0-9]*}/releases/${ARCH}/alpine-minirootfs-${VERSION}-${ARCH}.tar.gz{,.asc}
+# Verify!
+gpg --verify alpine-minirootfs-${VERSION}-${ARCH}.tar.gz{.asc,}
+# Do magic!
+podman build . -t alpine-${ARCH}:${VERSION}
+# Cleanup!
+rm -f alpine-minirootfs-${VERSION}-${ARCH}.tar.gz{.asc,}