From 781733f69798d6a08cba6924667f0bc1dd936baf Mon Sep 17 00:00:00 2001
From: itmodulo <itmodulo@disroot.org>
Date: Sun, 16 Mar 2025 13:29:47 +0100
Subject: [PATCH] Add current work

---
 Dockerfile           | 35 +++++++++++++++++++++++++++++++++++
 README.md            |  2 ++
 containers-user.conf |  3 +++
 containers.conf      | 13 +++++++++++++
 4 files changed, 53 insertions(+)
 create mode 100644 Dockerfile
 create mode 100644 containers-user.conf
 create mode 100644 containers.conf

diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..e80e7dd
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,35 @@
+FROM docker.io/alpine:latest
+COPY ./containers.conf /containers.conf
+COPY ./containers-user.conf /containers-user.conf
+RUN sed -i 's|dl-cdn\.alpinelinux\.org/alpine|alpine.sakamoto.pl/alpine|g' /etc/apk/repositories &&\
+    apk add --no-cache podman git bash curl tree fuse-overlayfs openssh-client-default ucpp &&\
+    ln -s /usr/bin/ucpp /usr/local/bin/ucpp &&\
+    adduser -D podman -u 1000 &&\
+    echo 'podman:1:999' > /etc/subuid &&\
+    echo 'podman:1001:64535' >> /etc/subuid &&\
+    cp /etc/subuid /etc/subguid &&\
+    ln -s /usr/local/bin/podman /usr/bin/docker &&\
+    mkdir -p /home/podman/.config/containers &&\
+    mkdir -p /home/podman/.local/share/containers &&\
+    mv /containers.conf /etc/containers/containers.conf &&\
+    mv /containers-user.conf /home/podman/.config/containers/containers.conf &&\
+    chown podman:podman -R /home/podman &&\
+    chmod 644 /etc/containers/containers.conf &&\
+    sed -e 's|^#mount_program|mount_program|g' \
+        -e '/additionalimage.*/a "/var/lib/shared",' \
+        -e 's|^mountopt[[:space:]]*=.*$|mountopt = "nodev,fsync=0"|g' \
+        /usr/share/containers/storage.conf > /etc/containers/storage.conf &&\
+    printf '/run/secrets/etc-pki-entitlement:/run/secrets/etc-pki-entitlement\n/run/secrets/rhsm:/run/secrets/rhsm\n' > /etc/containers/mounts.conf &&\
+    mkdir -p /var/lib/shared/overlay-images \
+             /var/lib/shared/overlay-layers \
+             /var/lib/shared/vfs-images \
+             /var/lib/shared/vfs-layers &&\
+    touch /var/lib/shared/overlay-images/images.lock \
+          /var/lib/shared/overlay-layers/layers.lock \
+          /var/lib/shared/vfs-images/images.lock \
+          /var/lib/shared/vfs-layers/layers.lock \
+
+ENV _CONTAINERS_USERNS_CONFIGURED="" BUILDAH_ISOLATION="chroot"
+VOLUME /var/lib/containers/storage
+VOLUME /home/podman/.local/share/containers
+ENTRYPOINT [ "/bin/bash" ]
diff --git a/README.md b/README.md
index 40b9924..6b31753 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,4 @@
 # podman-alpine
 
+Alpine adopted image for building containers inside docker container without dind or pinp
+
diff --git a/containers-user.conf b/containers-user.conf
new file mode 100644
index 0000000..2404c47
--- /dev/null
+++ b/containers-user.conf
@@ -0,0 +1,3 @@
+[containers]
+volumes = [ "/proc:/proc" , ]
+default_sysctls = []
diff --git a/containers.conf b/containers.conf
new file mode 100644
index 0000000..19278ed
--- /dev/null
+++ b/containers.conf
@@ -0,0 +1,13 @@
+[containers]
+netns="host"
+userns="host"
+ipcns="host"
+utsns="host"
+cgroupns="host"
+cgroups="disabled"
+log_driver="k8s-file"
+
+[engine]
+cgroup_manager="cgroupfs"
+events_logger="file"
+runtime="crun"