add missing apt cleanup (#106)

Author: altendky

phpfpm/Dockerfile

@@ -29,7 +29,8 @@ RUN apt-get update \
         zip \
     && apt-get remove -y build-essential libz-dev libmemcached-dev libssl-dev \
     && apt-get autoremove -y \
-    && apt-get clean
+    && apt-get clean \
+    && rm -rf /var/lib/apt/lists/*
 
 RUN curl -O https://raw.githubusercontent.com/wp-cli/builds/gh-pages/phar/wp-cli.phar \
     && chmod +x wp-cli.phar \

ubuntu-18.04/Dockerfile

@@ -58,4 +58,5 @@ RUN curl -fsSL https://cli.github.com/packages/githubcli-archive-keyring.gpg | d
     && chmod go+r /usr/share/keyrings/githubcli-archive-keyring.gpg \
     && echo "deb [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/githubcli-archive-keyring.gpg] https://cli.github.com/packages stable main" | tee /etc/apt/sources.list.d/github-cli.list > /dev/null \
     && apt update \
-    && apt install gh -y
+    && apt install gh -y \
+    && rm -rf /var/lib/apt/lists/*

ubuntu-20.04/Dockerfile

@@ -85,4 +85,5 @@ RUN curl -fsSL https://cli.github.com/packages/githubcli-archive-keyring.gpg | d
     && chmod go+r /usr/share/keyrings/githubcli-archive-keyring.gpg \
     && echo "deb [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/githubcli-archive-keyring.gpg] https://cli.github.com/packages stable main" | tee /etc/apt/sources.list.d/github-cli.list > /dev/null \
     && apt update \
-    && apt install gh -y
+    && apt install gh -y \
+    && rm -rf /var/lib/apt/lists/*

ubuntu-22.04/Dockerfile

@@ -99,4 +99,5 @@ RUN curl -fsSL https://cli.github.com/packages/githubcli-archive-keyring.gpg | d
     && chmod go+r /usr/share/keyrings/githubcli-archive-keyring.gpg \
     && echo "deb [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/githubcli-archive-keyring.gpg] https://cli.github.com/packages stable main" | tee /etc/apt/sources.list.d/github-cli.list > /dev/null \
     && apt update \
-    && apt install gh -y
+    && apt install gh -y \
+    && rm -rf /var/lib/apt/lists/*