fix: makepkg, build user

Dockerfile

@@ -1,25 +1,39 @@
 FROM docker.io/library/archlinux:latest
 
-RUN pacman --sync --refresh --noconfirm --sysupgrade \
+ENV BUILD_USER=build
+
+RUN pacman --sync --refresh --noconfirm --sysupgrade sudo
+
+RUN echo "${BUILD_USER} ALL=(ALL) NOPASSWD:ALL" > /etc/sudoers.d/${BUILD_USER} && \
+    useradd --create-home --home-dir /home/${BUILD_USER} --shell /bin/bash ${BUILD_USER}
+USER ${BUILD_USER}
+
+# execute local files
+COPY installation-scripts /tmp/installation-scripts
+RUN for f in {00-pacman-mirror.sh,01-rustup.sh}; do sudo /tmp/installation-scripts/$f; done && \
+    sudo rm --recursive --force /tmp/installation-scripts
+ENV PATH="/home/${BUILD_USER}/.cargo/bin:/${BUILD_USER}/go/bin:${PATH}"
+
+# Install PKGs from public repositories
+RUN sudo pacman --sync --refresh --noconfirm --sysupgrade \
       awk \
+      base-devel \
       bash-completion \
       docker \
       gcc \
       git \
+      gnupg \
       go \
       make \
+      pacman-contrib \
       podman \
       which \
       zip
 
-# execute local files
-COPY installation-scripts /tmp/installation-scripts
-RUN for f in {00-pacman-mirror.sh,01-rustup.sh}; do /tmp/installation-scripts/$f; done && \
-    rm --recursive --force /tmp/installation-scripts
-ENV PATH="/root/.cargo/bin:/root/go/bin:${PATH}"
+RUN sudo usermod --append --groups docker ${BUILD_USER}
 
-# Install PKGs from own repo
-RUN pacman --sync --refresh --noconfirm --sysupgrade \
+# Install PKGs from private repositories
+RUN sudo pacman --sync --refresh --noconfirm --sysupgrade \
       oracle-instantclient-basic \
       oracle-instantclient-jdbc \
       oracle-instantclient-odbc \
@@ -28,4 +42,10 @@ RUN pacman --sync --refresh --noconfirm --sysupgrade \
       oracle-instantclient-tools \
       rpm-builder
 
-WORKDIR /workspace
+WORKDIR /workspace
+VOLUME [ "/workspace" ]
+
+COPY entrypoint.sh /usr/local/bin/entrypoint.sh
+RUN sudo chmod +x /usr/local/bin/entrypoint.sh
+
+ENTRYPOINT [ "/usr/local/bin/entrypoint.sh" ]