diff --git a/basic.sh b/basic.sh
index eb89cb6..467486b 100755
--- a/basic.sh
+++ b/basic.sh
@@ -1,10 +1,14 @@
 #!/bin/sh
 set -e
 
-SOURCE_DIR=$(realpath $(dirname "${0}"))/basic
+cd $(realpath $(dirname "${0}"))/basic
+
+# Configure APK repository
+echo "@vm https://dl.dasm.cz/spotter-abuild" >>/etc/apk/repositories
+cp etc/apk/keys/repokey.rsa.pub /etc/apk/keys/repokey.rsa.pub
 
 # Install packages
-apk --no-cache add ca-certificates curl bridge e2fsprogs-extra gettext iptables kbd-misc libcap libressl libseccomp postfix python3 py3-bcrypt py3-cffi py3-cryptography py3-dnspython py3-jinja2 py3-requests py3-six py3-werkzeug nginx util-linux
+apk --no-cache add ca-certificates curl bridge e2fsprogs-extra gettext iptables kbd-misc libcap libressl libseccomp postfix python3 py3-bcrypt py3-cffi py3-cryptography py3-dnspython py3-jinja2 py3-requests py3-six py3-werkzeug nginx util-linux acme-sh@vm lxc@vm
 if [ ${DEBUG:-0} -eq 1 ]; then
     # Install some utilities for DEBUG mode
     apk --no-cache add git file htop less openssh-server openssh-sftp-server tar xz
@@ -13,57 +17,50 @@ fi
 # Copy root profile files and settings for DEBUG mode
 if [ ${DEBUG:-0} -eq 1 ]; then
     mkdir -p /root/.config/htop /root/.ssh
-    cp ${SOURCE_DIR}/root/.profile /root/.profile
-    cp ${SOURCE_DIR}/root/.ssh/authorized_keys /root/.ssh/authorized_keys
-    cp ${SOURCE_DIR}/root/.config/htop/htoprc /root/.config/htop/htoprc
+    cp root/.profile /root/.profile
+    cp root/.ssh/authorized_keys /root/.ssh/authorized_keys
+    cp root/.config/htop/htoprc /root/.config/htop/htoprc
 fi
 
 # Copy boot configuration
-cp ${SOURCE_DIR}/boot/extlinux.conf /boot/extlinux.conf
-cp ${SOURCE_DIR}/boot/vm.txt /boot/vm.txt
-cp ${SOURCE_DIR}/etc/inittab /etc/inittab
-cp ${SOURCE_DIR}/sbin/extend-disk /sbin/extend-disk
-cp ${SOURCE_DIR}/sbin/vmtty /sbin/vmtty
+cp boot/extlinux.conf /boot/extlinux.conf
+cp boot/vm.txt /boot/vm.txt
+cp etc/inittab /etc/inittab
+cp sbin/extend-disk /sbin/extend-disk
+cp sbin/vmtty /sbin/vmtty
 >/etc/motd
 
 # Enable support for Czech characters
-cp ${SOURCE_DIR}/etc/rc.conf /etc/rc.conf
-cp ${SOURCE_DIR}/etc/conf.d/consolefont /etc/conf.d/consolefont
+cp etc/rc.conf /etc/rc.conf
+cp etc/conf.d/consolefont /etc/conf.d/consolefont
 
 # Configure NTP client
-cp ${SOURCE_DIR}/etc/conf.d/ntpd /etc/conf.d/ntpd
+cp etc/conf.d/ntpd /etc/conf.d/ntpd
 
 # Configure networking
-cp ${SOURCE_DIR}/etc/conf.d/iptables /etc/conf.d/iptables
-cp ${SOURCE_DIR}/etc/iptables/rules-save /etc/iptables/rules-save
-cp ${SOURCE_DIR}/etc/network/interfaces /etc/network/interfaces
+cp etc/conf.d/iptables /etc/conf.d/iptables
+cp etc/iptables/rules-save /etc/iptables/rules-save
+cp etc/network/interfaces /etc/network/interfaces
 service networking restart
 
-# Download and configure acme.sh
-mkdir /etc/acme.sh.d
-wget https://raw.githubusercontent.com/Neilpang/acme.sh/master/acme.sh -O /usr/bin/acme.sh
-sed -i 's|$HOME/.$PROJECT_NAME|/etc/acme.sh.d|' /usr/bin/acme.sh
-chmod +x /usr/bin/acme.sh
-
-# Download and configure LXC
-wget https://dl.dasm.cz/lxc.tar.xz -O - | tar xJf - -C /
+# Configure LXC
 mkdir /var/log/lxc
 echo -e "172.17.0.1 host" >>/etc/hosts
 
 # Copy VMMgr resources
-cp ${SOURCE_DIR}/etc/init.d/vmmgr /etc/init.d/vmmgr
+cp etc/init.d/vmmgr /etc/init.d/vmmgr
 rc-update -u
-cp -r ${SOURCE_DIR}/srv/vm /srv/vm
+cp -r srv/vm /srv/vm
 ln -s /srv/vm/cli.py /usr/bin/vmmgr
 
 # Create a self-signed certificate
 vmmgr create-selfsigned
 
 # Configure nginx
-cp ${SOURCE_DIR}/etc/nginx/nginx.conf /etc/nginx/nginx.conf
+cp etc/nginx/nginx.conf /etc/nginx/nginx.conf
 
 # Configure postfix
-cp ${SOURCE_DIR}/etc/postfix/main.cf /etc/postfix/main.cf 
+cp etc/postfix/main.cf /etc/postfix/main.cf 
 newaliases
 
 # Configure services
diff --git a/basic/etc/apk/keys/repokey.rsa.pub b/basic/etc/apk/keys/repokey.rsa.pub
new file mode 100644
index 0000000..84c5fee
--- /dev/null
+++ b/basic/etc/apk/keys/repokey.rsa.pub
@@ -0,0 +1,9 @@
+-----BEGIN PUBLIC KEY-----
+MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqoNig96JdNCBGE60FMKN
+9mD8DrcDIIwl06r+lTnQuLfNxEYxLCS06zlGVQ5o7bJBOZumMZNWdINpa5j8378/
+M6ieDxmd4YErcLobNnYlubp1qVljVcK8luPtvVrQ4O+Ss9owO97qJHKsXF1U2jgE
+29QkIGPj+5IfkkbTeGP5T1o9ySmu6AQ+yjGi+ohUtnF5cR+cPb1cJR2XhirS0yLN
+E+9E7tcTfILIgxGfCshwdSrZ67fknPZmB+8QpWypd0rlG4lf4kjrY/pZ0Jlu2JxX
+BjdgUB4rzcNk99UZfkp2BbGtNYjZ4PZukOl8AYX14bdDSja2W6TcLnGfCqHZRCjW
+HwIDAQAB
+-----END PUBLIC KEY-----