diff --git a/.drone.yml b/.drone.yml
index 61c7092..47edf59 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -1,209 +1,60 @@
-pipeline:
-  download:
-    image: plugins/download
-    pull: true
-    source: https://schlomp.space/attachments/d85b2444-0b8f-4fa9-a8a0-9659f01059e9
-    destination: identiconpp.deb
+# -*- fill-column: 1000 -*-
+kind: pipeline
+name: build x86_64
 
-  gcc5:
-    image: debian:stretch-slim
-    pull: true
-    when:
-      event: [push, pull_request]
-    environment:
-      - LANG=C.utf8
-      - CXX=g++-5
-      - CXXFLAGS=-pipe -O2
-    commands:
-      - rm /etc/apt/apt.conf.d/docker-clean
-      - apt-get update -q
-      - echo "APT::Default-Release \"stretch\";" >> /etc/apt/apt.conf.d/00default_release
-      - echo "deb http://ppa.launchpad.net/ubuntu-toolchain-r/test/ubuntu xenial main" >> /etc/apt/sources.list.d/ubuntu-toolchain-r.list
-      - apt-get install -qy gnupg
-      - gpg --keyserver hkp://keyserver.ubuntu.com --recv-keys 0x60c317803a41ba51845e371a1e9377a2ba9ef27f
-      - gpg --armor --export 0x60c317803a41ba51845e371a1e9377a2ba9ef27f | apt-key add -
-      - apt-get update -q
-      - apt-get install -qy -t xenial g++-5
-      - apt-get install -qy cmake pkg-config
-      - apt-get install -qy libcrypto++-dev libmagick++-dev libxdg-basedir-dev
-      - dpkg -i identiconpp.deb
-      - rm -rf build && mkdir -p build && cd build
-      - cmake -DCMAKE_INSTALL_PREFIX=/usr ..
-      - make VERBOSE=1
-    volumes:
-      - /var/cache/debian-package-cache:/var/cache/apt/archives
+volumes:
+- name: debian-package-cache
+  host:
+    path: /var/cache/debian-package-cache
 
-  gcc6:
-    image: debian:stretch-slim
-    pull: true
-    environment:
-      - LANG=C.utf8
-      - CXX=g++-6
-      - CXXFLAGS=-pipe -O2
-    commands:
-      - rm /etc/apt/apt.conf.d/docker-clean
-      - apt-get update -q
-      - apt-get install -qy g++-6 cmake pkg-config
-      - apt-get install -qy libcrypto++-dev libmagick++-dev libxdg-basedir-dev
-      - apt-get install -qy dpkg-dev d-shlibs rpm file wget
-      - gpg --no-tty --import /var/autosign_gpg.key
-      - dpkg -i identiconpp.deb
-      - rm -rf build && mkdir -p build && cd build
-      - cmake -DCMAKE_INSTALL_PREFIX=/usr ..
-      - make VERBOSE=1
-      - make install DESTDIR=install
-      - make package
-      - cmake -DWITH_DEB=ON ..
-      - make package
-      - cmake -DWITH_DEB=OFF -DWITH_RPM=ON ..
-      - make package
-      - gpg --verbose --detach-sign *.tar.gz
-      - gpg --verbose --detach-sign *.deb
-      - gpg --verbose --detach-sign *.rpm
-    volumes:
-      - /var/cache/debian-package-cache:/var/cache/apt/archives
-      - /home/tastytea/misc/autosign_gpg.key:/var/autosign_gpg.key
+trigger:
+  event:
+    exclude:
+    - tag
 
-  gcc7:
-    image: debian:stretch-slim
-    pull: true
-    when:
-      event: [push, pull_request]
-    environment:
-      - LANG=C.utf8
-      - CXX=g++-7
-      - CXXFLAGS=-pipe -O2
-    commands:
-      - rm /etc/apt/apt.conf.d/docker-clean
-      - apt-get update -q
-      - echo "APT::Default-Release \"stretch\";" >> /etc/apt/apt.conf.d/00default_release
-      - echo "deb http://ppa.launchpad.net/ubuntu-toolchain-r/test/ubuntu xenial main" >> /etc/apt/sources.list.d/ubuntu-toolchain-r.list
-      - apt-get install -qy gnupg
-      - gpg --keyserver hkp://keyserver.ubuntu.com --recv-keys 0x60c317803a41ba51845e371a1e9377a2ba9ef27f
-      - gpg --armor --export 0x60c317803a41ba51845e371a1e9377a2ba9ef27f | apt-key add -
-      - apt-get update -q
-      - apt-get install -qy -t xenial g++-7
-      - apt-get install -qy cmake pkg-config
-      - apt-get install -qy libcrypto++-dev libmagick++-dev libxdg-basedir-dev
-      - dpkg -i identiconpp.deb
-      - rm -rf build && mkdir -p build && cd build
-      - cmake -DCMAKE_INSTALL_PREFIX=/usr ..
-      - make VERBOSE=1
-    volumes:
-      - /var/cache/debian-package-cache:/var/cache/apt/archives
+steps:
+- name: Download identiconpp for Debian stretch
+  image: plugins/download
+  settings:
+    source: https://schlomp.space/attachments/f40d4b6e-ab9f-4cb7-a83e-cb1d8490e9ee
+    destination: identiconpp_stretch.deb
 
-  gcc8:
-    image: debian:stretch-slim
-    pull: true
-    when:
-      event: [push, pull_request]
-    environment:
-      - LANG=C.utf8
-      - CXX=g++-8
-      - CXXFLAGS=-pipe -O2
-    commands:
-      - rm /etc/apt/apt.conf.d/docker-clean
-      - apt-get update -q
-      - echo "APT::Default-Release \"stretch\";" >> /etc/apt/apt.conf.d/00default_release
-      - echo "deb http://ppa.launchpad.net/ubuntu-toolchain-r/test/ubuntu xenial main" >> /etc/apt/sources.list.d/ubuntu-toolchain-r.list
-      - apt-get install -qy gnupg
-      - gpg --keyserver hkp://keyserver.ubuntu.com --recv-keys 0x60c317803a41ba51845e371a1e9377a2ba9ef27f
-      - gpg --armor --export 0x60c317803a41ba51845e371a1e9377a2ba9ef27f | apt-key add -
-      - apt-get update -q
-      - apt-get install -qy -t xenial g++-8
-      - apt-get install -qy cmake pkg-config
-      - apt-get install -qy libcrypto++-dev libmagick++-dev libxdg-basedir-dev
-      - dpkg -i identiconpp.deb
-      - rm -rf build && mkdir -p build && cd build
-      - cmake -DCMAKE_INSTALL_PREFIX=/usr ..
-      - make VERBOSE=1
-    volumes:
-      - /var/cache/debian-package-cache:/var/cache/apt/archives
+- name: GCC 6 / clang 7
+  image: debian:stretch-slim
+  pull: always
+  environment:
+    CXX: g++-6
+    CXXFLAGS: -pipe -O2
+    DEBIAN_FRONTEND: noninteractive
+    LANG: C.utf8
+  commands:
+  - rm /etc/apt/apt.conf.d/docker-clean
+  - apt-get update -q
+  - apt-get install -qq g++-6 clang-7 cmake pkg-config
+  - apt-get install -qq libcrypto++-dev libmagick++-dev libxdg-basedir-dev
+  - dpkg -i identiconpp_stretch.deb
+  - rm -rf build && mkdir -p build && cd build
+  - cmake ..
+  - cmake --build .
+  - make install
+  - cd ../
+  - rm -rf build && mkdir -p build && cd build
+  - CXX="clang++" cmake  ..
+  - cmake --build .
+  - make install
+  volumes:
+  - name: debian-package-cache
+    path: /var/cache/apt/archives
 
-  clang5:
-    image: debian:stretch-slim
-    pull: true
-    when:
-      event: [push, pull_request]
-    environment:
-      - LANG=C.utf8
-      - CXX=clang++-5.0
-      - CXXFLAGS=-pipe -O2
-    commands:
-      - rm /etc/apt/apt.conf.d/docker-clean
-      - echo "APT::Default-Release \"stretch\";" >> /etc/apt/apt.conf.d/00default_release
-      - echo "deb http://deb.debian.org/debian stretch-backports main" >> /etc/apt/sources.list.d/stretch.list
-      - apt-get update -q
-      - apt-get install -qy -t stretch-backports clang-5.0
-      - apt-get install -qy cmake pkg-config
-      - apt-get install -qy libcrypto++-dev libmagick++-dev libxdg-basedir-dev
-      - dpkg -i identiconpp.deb
-      - rm -rf build && mkdir -p build && cd build
-      - cmake -DCMAKE_INSTALL_PREFIX=/usr ..
-      - make VERBOSE=1
-    volumes:
-      - /var/cache/debian-package-cache:/var/cache/apt/archives
-
-  clang6:
-    image: debian:stretch-slim
-    pull: true
-    when:
-      event: [push, pull_request]
-    environment:
-      - LANG=C.utf8
-      - CXX=clang++-6.0
-      - CXXFLAGS=-pipe -O2
-    commands:
-      - rm /etc/apt/apt.conf.d/docker-clean
-      - echo "APT::Default-Release \"stretch\";" >> /etc/apt/apt.conf.d/00default_release
-      - echo "deb http://deb.debian.org/debian stretch-backports main" >> /etc/apt/sources.list.d/stretch.list
-      - apt-get update -q
-      - apt-get install -qy -t stretch-backports clang-6.0
-      - apt-get install -qy cmake pkg-config
-      - apt-get install -qy libcrypto++-dev libmagick++-dev libxdg-basedir-dev
-      - dpkg -i identiconpp.deb
-      - rm -rf build && mkdir -p build && cd build
-      - cmake -DCMAKE_INSTALL_PREFIX=/usr ..
-      - make VERBOSE=1
-    volumes:
-      - /var/cache/debian-package-cache:/var/cache/apt/archives
-
-  prepare_release:
-    image: debian:stretch-slim
-    pull: true
-    when:
-      event: tag
-    commands:
-      - cp -v build/libravatarserv-${DRONE_TAG}_x86_64.tar.gz .
-      - cp -v build/libravatarserv-${DRONE_TAG}_x86_64.tar.gz.sig .
-      - cp -v build/libravatarserv_${DRONE_TAG}-0_amd64.deb .
-      - cp -v build/libravatarserv_${DRONE_TAG}-0_amd64.deb.sig .
-      - cp -v build/libravatarserv-${DRONE_TAG}-0.x86_64.rpm .
-      - cp -v build/libravatarserv-${DRONE_TAG}-0.x86_64.rpm.sig .
-  gitea_release:
-    image: plugins/gitea-release
-    pull: true
-    when:
-      event: tag
-    base_url: https://schlomp.space
-    secrets: [ gitea_token ]
-    title: ${DRONE_TAG}
-    prerelease: true
-    files:
-      - libravatarserv-${DRONE_TAG}_x86_64.tar.gz
-      - libravatarserv-${DRONE_TAG}_x86_64.tar.gz.sig
-      - libravatarserv_${DRONE_TAG}-0_amd64.deb
-      - libravatarserv_${DRONE_TAG}-0_amd64.deb.sig
-      - libravatarserv-${DRONE_TAG}-0.x86_64.rpm
-      - libravatarserv-${DRONE_TAG}-0.x86_64.rpm.sig
-    checksum:
-      - sha512
-
-  notify:
-    image: drillster/drone-email
-    pull: true
+- name: notification
+  image: drillster/drone-email
+  pull: always
+  settings:
     host: cryptoparty-celle.de
-    secrets: [ email_username, email_password ]
     from: drone@tzend.de
-    when:
-      status: [ changed, failure ]
+    username:
+      from_secret: email_username
+    password:
+      from_secret: email_password
+  when:
+    status: [ changed, failure ]
diff --git a/README.md b/README.md
index c393e21..53de10c 100644
--- a/README.md
+++ b/README.md
@@ -133,8 +133,8 @@ Up to and including 0.6.2, the packages were generated on Ubuntu 16.04 64 bit.
 
 #### Dependencies
 
-* C++ compiler (tested: [gcc](https://gcc.gnu.org/) 5/6/7/8,
-  [clang](https://llvm.org/) 5/6)
+* C++ compiler (tested: [gcc](https://gcc.gnu.org/) 6/9,
+  [clang](https://llvm.org/) 7)
 * [cmake](https://cmake.org/) (at least 3.10)
 * [crypto++](https://cryptopp.com) (tested: 7.0 / 5.6)
 * [imagemagick](https://www.imagemagick.org/) (tested: 7.0 / 6.7)