diff --git a/.woodpecker.yml b/.woodpecker.yml
index 0d05b8e..b2ef6eb 100644
--- a/.woodpecker.yml
+++ b/.woodpecker.yml
@@ -3,10 +3,6 @@ clone:
   git:
     image: drone/git
 
-workspace:
-  base: /drone
-  path: src
-
 pipeline:
   env:
     image: alpine
@@ -90,13 +86,14 @@ pipeline:
     image: plugins/docker:linux-amd64
     experimental: true
     squash: true
+    purge: true
+    no_cache: true
     secrets:
       - docker_username
       - docker_password
     repo: sevoid/linter
     tags:
       - dev
-      - dev-${DRONE_COMMIT:0:7}
     when:
       event:
         - push
@@ -110,6 +107,8 @@ pipeline:
     image: plugins/docker:linux-amd64
     experimental: true
     squash: true
+    purge: true
+    no_cache: true
     secrets:
       - docker_username
       - docker_password
diff --git a/Dockerfile b/Dockerfile
index d01ec4c..7f6b3bd 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM vbatts/slackware:current
+FROM sevoid/slackware:current
 
 LABEL maintainer="sev@nix.org.ua"
 
@@ -12,43 +12,16 @@ ENV PHPCS_VER=3.6.0
 ENV PYLINT_VER=2.7.2
 ENV ANSIBLE_LINT=4.3.7
 
-# pkgtools flags
-ENV TERSE=0
-# upgradepkg flag
-#   Workaround to install new slackpkg,
-#   even though older version is installed
-ENV INSTALL_NEW=yes
+SHELL ["/bin/bash", "-o", "pipefail", "-c"]
 
-COPY slackpkg.conf /etc/slackpkg/
 COPY linter.template /etc/slackpkg/templates/
-COPY sudoers /etc/sudoers.d/10-wheel
-
-RUN mkdir -p /usr/local/etc
-
-SHELL ["/bin/bash", "-o", "pipefail", "-c"]
 
-#
-# SYS: configuration and upgrades
-#
-RUN echo 'http://mirrors.nix.org.ua/linux/slackware/slackware64-current/' > /etc/slackpkg/mirrors
-RUN touch /var/lib/slackpkg/current
-RUN slackpkg update
 RUN slackpkg update gpg
-RUN slackpkg install glibc-2 pkgtools
-RUN slackpkg install-template linter
-RUN update-ca-certificates --fresh
-
-RUN slackpkg upgrade slackpkg
-COPY slackpkg.conf /etc/slackpkg/
-RUN sed -i 's/v2.8/v15.0/g' /etc/slackpkg/slackpkg.conf
-RUN echo 'https://mirrors.nix.org.ua/linux/slackware/slackware64-current/' > /etc/slackpkg/mirrors
-RUN touch /var/lib/slackpkg/current
-RUN rm -vf /var/lib/pkgtools/packages/slackpkg-2.8*
 RUN slackpkg update
 RUN slackpkg upgrade-all
-RUN rm -rf /var/lib/slackpkg/* \
-           /var/cache/packages/*
-RUN touch /var/lib/slackpkg/current
+RUN slackpkg install-template linter
+
+RUN mkdir -p /usr/local/etc
 
 COPY ./scripts/entrypoint.sh /usr/local/sbin/
 COPY ./scripts/lib/lint-common.sh /usr/local/share/lint/
@@ -119,20 +92,18 @@ WORKDIR /home/linter
 #
 # Check that linters can execute
 #
-RUN echo "=== VERSIONS ==="
-RUN shellcheck --version \
- && echo
-RUN yamllint --version \
- && echo
-RUN hadolint --version \
- && echo
-RUN php-cs-fixer --version \
- && echo
-RUN phpcs --version \
- && echo
-RUN pylint --version \
+RUN echo "=== VERSIONS ===" \
+ && shellcheck --version \
+ && echo \
+ && yamllint --version \
+ && echo \
+ && hadolint --version \
+ && echo \
+ && php-cs-fixer --version \
+ && echo \
+ && phpcs --version \
+ && echo \
+ && pylint --version \
  && echo
-#RUN ansible-lint --version \
-# && echo
 
 ENTRYPOINT ["/usr/local/sbin/entrypoint.sh"]
diff --git a/linter.template b/linter.template
index 3d21904..cad8196 100644
--- a/linter.template
+++ b/linter.template
@@ -1,21 +1,5 @@
+#include base.template
 glibc
-aaa_libraries
-perl
-ca-certificates
-dcron
-sudo
-acl
-attr
-libcap
-elogind
-libpwquality
-e2fsprogs
-cracklib
-krb5
-pam
-sysklogd
-libnsl
-libtirpc
 python3
 python-pip
 python-setuptools