alpine: bump version to 3.22

Dockerfile/alpine-3.22.Dockerfile

@@ -0,0 +1,50 @@
+FROM alpine:3.22
+
+# do not use REQUIREDPKGS build argument because
+# this Dockerfile compiles mscp with conan,so we do not need
+# libssl-dev and zlib-dev
+
+# Build mscp with conan to create single binary mscp
+
+RUN apk add --no-cache \
+	gcc make cmake libc-dev \
+	linux-headers openssh bash perl \
+	python3 py3-pip python3-dev py3-pytest g++
+
+RUN pip3 install --break-system-packages conan
+
+# preparation for sshd
+RUN ssh-keygen -A \
+	&& mkdir /var/run/sshd        \
+	&& ssh-keygen -f /root/.ssh/id_rsa -N ""                \
+	&& cat /root/.ssh/id_rsa.pub > /root/.ssh/authorized_keys
+
+# create test user
+RUN addgroup -S test \
+	&& adduser -S test -G test \
+        && echo "test:userpassword" | chpasswd \
+        && mkdir -p /home/test/.ssh     \
+        && ssh-keygen -f /home/test/.ssh/id_rsa_test -N "keypassphrase" \
+        && cat /home/test/.ssh/id_rsa_test.pub >> /home/test/.ssh/authorized_keys \
+        && chown -R test:test /home/test \
+        && chown -R test:test /home/test/.ssh
+
+
+# Build mscp as a single binary
+RUN conan profile detect --force
+
+ARG mscpdir="/mscp"
+
+COPY . ${mscpdir}
+
+RUN cd ${mscpdir}							\
+	&& rm -rf build							\
+	&& conan install . --output-folder=build --build=missing	\
+	&& cd ${mscpdir}/build						\
+	&& cmake ..							\
+		-DCMAKE_BUILD_TYPE=Release				\
+		-DCMAKE_TOOLCHAIN_FILE=conan_toolchain.cmake		\
+		-DBUILD_CONAN=ON -DBUILD_STATIC=ON			\
+	&& make	-j 2							\
+	&& make install
+