From e4e88fd6448ddf63a22b36cae2d1ed5579e76779 Mon Sep 17 00:00:00 2001
From: minoplhy <c@3qx.nl>
Date: Wed, 12 Mar 2025 00:49:19 +0700
Subject: [PATCH] alpine linux as base image

---
 Dockerfile                       | 33 ++++++++++++++++--------------
 alpinelinux-fix-sys-reboot.patch | 16 +++++++++++++++
 docker-compose-ipv6.yaml         | 35 ++++++++++++++++++++++++++++++++
 entrypoint.sh                    |  7 ++-----
 4 files changed, 71 insertions(+), 20 deletions(-)
 create mode 100644 alpinelinux-fix-sys-reboot.patch
 create mode 100644 docker-compose-ipv6.yaml

diff --git a/Dockerfile b/Dockerfile
index fc09585..d2138b1 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,18 +1,25 @@
 ## builder
-FROM debian:12 as builder
+FROM alpine:3.21 as builder
 LABEL image="ripe-atlas-builder"
 ARG DEBIAN_FRONTEND=noninteractive
 ARG GIT_URL=https://github.com/RIPE-NCC/ripe-atlas-software-probe.git
 
-WORKDIR /tmp
+COPY alpinelinux-fix-sys-reboot.patch /tmp/alpinelinux-fix-sys-reboot.patch
 
-RUN apt-get update -y && \
-        apt-get install -y git build-essential debhelper libssl-dev autotools-dev psmisc net-tools
+WORKDIR /
+
+RUN apk update && \
+		apk upgrade && \
+        apk add git alpine-sdk openssl-dev autoconf automake libtool linux-headers musl-dev psmisc net-tools
 RUN git clone --recursive "$GIT_URL" /tmp/ripe-atlas-software-probe
 
 WORKDIR /tmp/ripe-atlas-software-probe
 # version 5100
 RUN git checkout 5100
+
+# APPLY Alpine Linux specific patch
+RUN git apply /tmp/alpinelinux-fix-sys-reboot.patch
+
 RUN autoreconf -iv
 RUN ./configure --prefix=/usr --sysconfdir=/etc --localstatedir=/var --libdir=/usr/lib64 --runstatedir=/run --with-user=ripe-atlas --with-group=ripe-atlas --with-measurement-user=ripe-atlas --disable-systemd --enable-chown --enable-setcap-install
 RUN make
@@ -24,21 +31,20 @@ LABEL image="ripe-atlas-artifacts"
 COPY --from=builder /tmp/ripe-atlas-software-probe /
 
 ## the actual image
-FROM debian:12
+FROM alpine:3.21
 LABEL maintainer="dockerhub@public.swineson.me"
 LABEL image="ripe-atlas"
 
 COPY --from=builder /tmp/ripe-atlas-software-probe /tmp/ripe-atlas-software-probe
 
 ARG ATLAS_UID=101
-ARG ATLAS_MEAS_UID=102
-ARG ATLAS_GID=999
+ARG ATLAS_GID=656
 RUN ln -s /bin/true /bin/systemctl \
 	&& adduser --system --uid $ATLAS_UID ripe-atlas \
-	&& groupadd --force --system --gid $ATLAS_GID ripe-atlas \
-	&& apt-get update -y \
-	&& apt-get install -y libcap2-bin iproute2 openssh-client procps net-tools tini debhelper libssl-dev autotools-dev psmisc opensysusers
-
+	&& addgroup --system --gid $ATLAS_GID ripe-atlas \
+	&& apk update \
+	&& apk upgrade \
+	&& apk add libcap iproute2 openssh-client procps net-tools tini openssl-dev autoconf automake psmisc alpine-sdk libtool linux-headers bash setpriv
 WORKDIR /tmp/ripe-atlas-software-probe
 RUN make install
 
@@ -46,11 +52,8 @@ RUN make install
 
 COPY entrypoint.sh /usr/local/bin
 RUN chmod +x /usr/local/bin/* \
-	&& rm -rf /var/lib/apt/lists/* \
 	&& rm -rf /tmp/ripe-atlas-software-probe \
-	&& mkdir -p /opt/ripe-atlas \
-	&& chown -R ripe-atlas:ripe-atlas /opt/ripe-atlas \
-	&& chmod 777 /opt/ripe-atlas
+	&& apk del autoconf automake psmisc alpine-sdk libtool linux-headers
 
 WORKDIR /
 VOLUME [ "/etc/ripe-atlas", "/run/ripe-atlas/status", "/var/spool/ripe-atlas" ]
diff --git a/alpinelinux-fix-sys-reboot.patch b/alpinelinux-fix-sys-reboot.patch
new file mode 100644
index 0000000..2c77f39
--- /dev/null
+++ b/alpinelinux-fix-sys-reboot.patch
@@ -0,0 +1,16 @@
+This patch is intended to fix reboot.h implict declaration issue when compile on Alpine Linux
+
+Based on : https://github.com/RIPE-NCC/ripe-atlas-software-probe/pull/118
+
+diff --git a/probe-busybox/networking/telnetd.c b/probe-busybox/networking/telnetd.c
+index 543de5a..8a67651 100644
+--- a/probe-busybox/networking/telnetd.c
++++ b/probe-busybox/networking/telnetd.c
+@@ -134,6 +134,7 @@
+ #include <string.h>
+ #include <unistd.h>
+ #include <linux/reboot.h>
++#include <sys/reboot.h>
+ 
+ #define LOGIN_PREFIX	"Atlas probe, see http://atlas.ripe.net/\r\n\r\n"
+ #define LOGIN_PROMPT	" login: "
diff --git a/docker-compose-ipv6.yaml b/docker-compose-ipv6.yaml
new file mode 100644
index 0000000..35fccd4
--- /dev/null
+++ b/docker-compose-ipv6.yaml
@@ -0,0 +1,35 @@
+services:
+  ripe-atlas:
+    image: ghcr.io/minoplhy/docker-ripe-atlas:latest
+    restart: always
+    environment:
+      RXTXRPT: "yes"
+    volumes:
+      - "./etc:/etc/ripe-atlas"
+      - "./run:/run/ripe-atlas/status"
+      - ./spool:/var/spool/ripe-atlas
+    cap_drop:
+      - ALL
+    cap_add:
+      - CHOWN
+      - SETUID
+      - SETGID
+      - DAC_OVERRIDE
+      - NET_RAW
+    networks:
+      - atlas-network
+    mem_limit: "64000000000"
+    mem_reservation: 64m
+    labels:
+      - "traefik.enable=false"
+      - "com.centurylinklabs.watchtower.enable=true"
+    logging:
+      driver: json-file
+      options:
+         max-size: 10m
+    # network_mode: "host" # if possible, avoid double NAT
+    # security_opt:
+    #   - seccomp:unconfined
+networks:
+  atlas-network:
+    enable_ipv6: true
diff --git a/entrypoint.sh b/entrypoint.sh
index 15f46f3..415839a 100644
--- a/entrypoint.sh
+++ b/entrypoint.sh
@@ -7,10 +7,7 @@ if ! sleep 0 >/dev/null 2>&1; then
 fi
 
 export ATLAS_UID="${ATLAS_UID:-101}"
-export ATLAS_GID="${ATLAS_GID:-999}"
-
-usermod -u $ATLAS_UID ripe-atlas
-groupmod -g $ATLAS_GID ripe-atlas
+export ATLAS_GID="${ATLAS_GID:-656}"
 
 # create essential files and fix permission
 mkdir -p /var/spool/ripe-atlas
@@ -27,4 +24,4 @@ chown -R ripe-atlas:ripe-atlas /etc/ripe-atlas || true
 # (init) set atlas mode to prod
 echo "prod" > /etc/ripe-atlas/mode || true
 
-exec setpriv --reuid=$ATLAS_UID --regid=$ATLAS_GID --init-groups "$@"
+exec setpriv --reuid $ATLAS_UID --regid $ATLAS_GID --init-groups "$@"