diff --git a/.dockerignore b/.dockerignore
new file mode 100644
index 0000000..f4b1198
--- /dev/null
+++ b/.dockerignore
@@ -0,0 +1,2 @@
+.git
+.github
diff --git a/Dockerfile b/Dockerfile
index ec80734..c673984 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,9 +1,9 @@
-FROM python:3.8-alpine
+FROM python:3.9-alpine
 
-ENV DEFAULT_TZ=Europe/Berlin \
-    LANG=de_DE.UTF-8 \
-    LANGUAGE=de_DE.UTF-8 \
-    LC_ALL=de_DE.UTF-8
+ENV TIMEZONE=${TIMEZONE:-Europe/Berlin} \
+    LANG=${LANGUAGE:-de_DE}.${ENCODING:-UTF-8} \
+    LANGUAGE=${LANGUAGE:-de_DE}.${ENCODING:-UTF-8} \
+    LC_ALL=${LANGUAGE:-de_DE}.${ENCODING:-UTF-8}
 
 COPY python.pkgs /usr/local/share/pip/compile.pkgs
 RUN set -eux; \
@@ -32,18 +32,22 @@ RUN set -eux; \
         libxml2-dev \
         libxslt-dev \
         openssl-dev \
+        cargo \
+        rust \
         gnupg \
         tzdata \
     ; \
     \
     # Set timezone
-    cp /usr/share/zoneinfo/${DEFAULT_TZ} /etc/localtime; \
-    echo "${DEFAULT_TZ}" >/etc/timezone; \
+    cp /usr/share/zoneinfo/${TIMEZONE} /etc/localtime; \
+    echo "${TIMEZONE}" >/etc/timezone; \
     \
     # Install Ansible, Azure, AWS and DNS python packages
+    python -m pip install --upgrade pip; \
     pip install --no-cache-dir pip-tools; \
     pip-compile -qo /usr/local/share/pip/install.pkgs /usr/local/share/pip/compile.pkgs; \
     pip install --no-cache-dir -r /usr/local/share/pip/install.pkgs; \
+    pip cache purge; \
     \
     # Install HashiCorp binaries
     mkdir -p /usr/local/share/hashicorp; \
@@ -61,35 +65,56 @@ RUN set -eux; \
 
 COPY config /tmp/config
 RUN set -eux; \
-    # Install Starship shell prompt
+    # Configure shell
+    mv /tmp/config/.bashrc ~/.bashrc; \
     if [ "$(uname -m)" = "x86_64" -a "$(getconf LONG_BIT)" = "64" ]; then \
+        # Insall shell prompt
         curl -Os https://starship.rs/install.sh; \
         chmod +x ./install.sh; \
         ./install.sh -V -f; \
         rm install.sh; \
         mkdir -p ~/.config; \
         mv /tmp/config/starship.toml ~/.config/starship.toml; \
+        # Install fonts
+        apk --update add --no-cache \
+            fontconfig \
+            font-noto-emoji \
+        ; \
+        wget -q https://github.com/ryanoasis/nerd-fonts/releases/latest/download/SourceCodePro.zip; \
+        mkdir -p /usr/share/fonts/nerd; \
+        unzip -d /usr/share/fonts/nerd SourceCodePro.zip; \
+        rm SourceCodePro.zip; \
+        find /usr/share/fonts/nerd/ -type f -name "*Windows Compatible.ttf" -exec rm -f {} \;; \
+        mv /tmp/config/nerd-emoji-font.conf /usr/share/fontconfig/conf.avail/05-nerd-emoji.conf; \
+        ln -s /usr/share/fontconfig/conf.avail/05-nerd-emoji.conf /etc/fonts/conf.d/05-nerd-emoji.conf; \
+        fc-cache -vf; \
+        # Install build-dependent system packages
+        apk add --no-cache --virtual .build-deps \
+            gcc \
+            make \
+            musl-dev \
+            ncurses-dev \
+        ; \
+        # Install editor
+        git clone https://github.com/vim/vim.git /tmp/vim; \
+        cd /tmp/vim; \
+        ./configure \
+            --with-features=huge \
+            --enable-multibyte \
+            --enable-python3interp=yes \
+            --with-python3-config-dir=$(python3-config --configdir) \
+            --enable-cscope \
+            --prefix=/usr/local \
+        ; \
+        vim_version="$(git describe --tags $(git rev-list --tags --max-count=1) | sed -E 's/^v?([0-9]+)\.([0-9]+).*$/\1\2/')"; \
+        make VIMRUNTIMEDIR=/usr/local/share/vim/vim${vim_version}; \
+        make install; \
+        rm -rf /tmp/vim; \
+        mv /tmp/config/.vimrc ~/.vimrc; \
+        # vim -c 'PlugInstall' -c 'qa!'; \
+        \
+        apk del .build-deps; \
     fi; \
-    mv /tmp/config/.bashrc ~/.bashrc; \
-    \
-    # Install vim editor and nerd fonts
-    apk --update add --no-cache \
-        fontconfig \
-        vim \
-    ; \
-    apk --update add --no-cache --repository=http://dl-cdn.alpinelinux.org/alpine/v3.13/community \
-        font-noto-emoji \
-    ; \
-    wget -q https://github.com/ryanoasis/nerd-fonts/releases/latest/download/SourceCodePro.zip; \
-    mkdir -p /usr/share/fonts/nerd; \
-    unzip -d /usr/share/fonts/nerd SourceCodePro.zip; \
-    rm SourceCodePro.zip; \
-    find /usr/share/fonts/nerd/ -type f -name "*Windows Compatible.ttf" -exec rm -f {} \;; \
-    mv /tmp/config/nerd-emoji-font.conf /usr/share/fontconfig/conf.avail/05-nerd-emoji.conf; \
-    ln -s /usr/share/fontconfig/conf.avail/05-nerd-emoji.conf /etc/fonts/conf.d/05-nerd-emoji.conf; \
-    fc-cache -vf; \
-    mv /tmp/config/.vimrc ~/.vimrc; \
-    # vim -c 'PlugInstall' -c 'qa!'; \
     rm -rf /tmp/config
 
 WORKDIR /srv
diff --git a/config/.vimrc b/config/.vimrc
index 818f569..dab75ef 100644
--- a/config/.vimrc
+++ b/config/.vimrc
@@ -13,7 +13,7 @@ Plug 'tpope/vim-fugitive' " https://github.com/tpope/vim-fugitive
 Plug 'tmhedberg/SimpylFold' " https://github.com/tmhedberg/SimpylFold
 Plug 'scrooloose/nerdcommenter' " https://github.com/scrooloose/nerdcommenter
 Plug 'jiangmiao/auto-pairs' " https://github.com/jiangmiao/auto-pairs
-Plug 'zxqfl/tabnine-vim' " https://github.com/codota/tabnine-vim
+Plug 'codota/tabnine-vim' " https://github.com/codota/tabnine-vim
 Plug 'scrooloose/nerdtree' " https://github.com/scrooloose/nerdtree
 Plug 'alpertuna/vim-header' " https://github.com/alpertuna/vim-header
 Plug 'ryanoasis/vim-devicons' " https://github.com/ryanoasis/vim-devicons
diff --git a/config/starship.toml b/config/starship.toml
index a7990b2..e580991 100644
--- a/config/starship.toml
+++ b/config/starship.toml
@@ -9,8 +9,9 @@ min_time = 300000
 
 [directory]
 truncation_length = 8
+read_only = " "
 
-[docker]
+[docker_context]
 disabled = false
 symbol = " "
 style = "bold #2496ED"
@@ -44,9 +45,8 @@ threshold = 4
 disabled = false
 symbol = " "
 style = "dimmed green"
-show_percentage = true
-show_swap = false
 threshold = 75
+format = "$symbol [${ram_pct}]$(style) "
 
 [terraform]
 symbol = "ﲴ "
@@ -78,9 +78,6 @@ symbol = " "
 [golang]
 symbol = " "
 
-[haskell]
-symbol = " "
-
 [hg_branch]
 symbol = " "
 
diff --git a/python.pkgs b/python.pkgs
index f979d13..4d4598a 100644
--- a/python.pkgs
+++ b/python.pkgs
@@ -13,4 +13,3 @@ awscli
 azure-cli
 requests[security]
 dns-lexicon[full]
-pyopenssl<20.0.0