Dockerfile: update

- use python3 (no need to stay on python3.11 still)
- switch to glibc (musl wheels need musl 1.2)
- add libgcc (needed by pydantic (thanks rust!))

Dockerfile

@@ -1,10 +1,10 @@
-FROM ghcr.io/void-linux/void-musl-full
+FROM ghcr.io/void-linux/void-glibc-full
 
 COPY . /app
 WORKDIR /app
 
 ARG REPOSITORY=https://repo-fastly.voidlinux.org/current
-ARG PKGS="cairo libjpeg-turbo"
+ARG PKGS="cairo libjpeg-turbo libgcc"
 ARG UID 1000
 ARG GID 1000
 
@@ -13,9 +13,9 @@ RUN \
     xbps-install -Suy xbps -R ${REPOSITORY} && \
     xbps-install -uy -R ${REPOSITORY} && \
     echo "**** install system packages ****" && \
-    xbps-install -y -R ${REPOSITORY} ${PKGS} python3.11 && \
+    xbps-install -y -R ${REPOSITORY} ${PKGS} python3 && \
     echo "**** install pip packages ****" && \
-    python3.11 -m venv botenv && \
+    python3 -m venv botenv && \
     botenv/bin/pip install -U pip setuptools wheel && \
     botenv/bin/pip install -r requirements.txt && \
     echo "**** clean up ****" && \
@@ -24,7 +24,7 @@ RUN \
         /tmp/* \
         /var/cache/xbps/*
 
-ENV PYTHONUNBUFFERED 1
+ENV PYTHONUNBUFFERED=1
 
 USER $UID:$GID