fix: container volumes

Dockerfile

@@ -4,7 +4,7 @@ ARG DEBIAN_FRONTEND=noninteractive
 RUN dpkg --add-architecture i386 \
     && apt-get update \
     && apt-get install -y --no-install-recommends \
-       ca-certificates curl lib32gcc-s1 python3 python3-pip python3-venv \
+       ca-certificates curl gosu lib32gcc-s1 python3 python3-pip python3-venv \
     && rm -rf /var/lib/apt/lists/* \
     && useradd --create-home --shell /bin/bash progression \
     && mkdir -p /opt/steamcmd/steamapps /srv/progression/.data \
@@ -19,9 +19,12 @@ RUN python3 -m venv /srv/venv \
 
 COPY --chown=progression:progression progression_backend ./progression_backend
 COPY --chown=progression:progression art ./art
-USER progression
+COPY --chmod=755 docker-entrypoint.sh /usr/local/bin/progression-entrypoint
 
-ENV PROGRESSION_HOST=0.0.0.0 \
+ENV HOME=/home/progression \
+    USER=progression \
+    XDG_DATA_HOME=/home/progression/.local/share \
+    PROGRESSION_HOST=0.0.0.0 \
     PROGRESSION_PORT=8000 \
     PROGRESSION_DB_PATH=.data/progression.db \
     STEAMCMD_PATH=/opt/steamcmd/steamcmd.sh \
@@ -35,4 +38,5 @@ EXPOSE 8000
 HEALTHCHECK --interval=30s --timeout=5s --start-period=20s --retries=3 \
   CMD curl -fsS http://127.0.0.1:8000/api/health || exit 1
 
+ENTRYPOINT ["/usr/local/bin/progression-entrypoint"]
 CMD ["/srv/venv/bin/python", "-m", "progression_backend"]