build: fix pip-compile Docker wrapper script (#267)

Author: Djaytan

docs/user-guide/requirements/pip-compile/Dockerfile

@@ -13,7 +13,12 @@ USER 1000:1000
 
 ENV HOME=/home/pip
 ENV PATH="${PATH}:${HOME}/.local/bin"
+ENV PIP_TOOLS_CACHE_DIR='/tmp/.cache/pip-tools'
 
 WORKDIR ${HOME}
 
 RUN pip install --user pip-tools
+
+VOLUME ["/run"]
+
+WORKDIR /run

docs/user-guide/requirements/pip-compile/pip-compile.sh

@@ -31,6 +31,5 @@ echo 'Running pip-compile:'
 docker run --rm --name docker-papermc-server-pip-compile \
   --user "$(id -u):$(id -g)" \
   --mount type=bind,source="${CURRENT_DIR}",target=/run \
-  --workdir /run \
   docker-papermc-server/pip-tools \
   pip-compile --strip-extras "$@"