Release 0.4: Added Postgres 16; Upgraded Alpine 19 and Python 3.11;

Dockerfile.pg16

@@ -0,0 +1,31 @@
+FROM alpine:3.19
+
+ENV HOME=/home/app \
+    APP_HOME=/home/app/docker-postgres-backup \
+    \
+    # python
+    PYTHONPATH=${PYTHONPATH}:${PWD} \
+    PYTHONUNBUFFERED=1 \
+    PYTHONDONTWRITEBYTECODE=1 \
+    PIP_BREAK_SYSTEM_PACKAGES=1 \
+    \
+    # pip
+    PIP_NO_CACHE_DIR=off \
+    PIP_DISABLE_PIP_VERSION_CHECK=on \
+    PIP_DEFAULT_TIMEOUT=100 \
+    \
+    # language locales
+    LANG=en_US.UTF-8 \
+    LANGUAGE=en_US:en \
+    LC_ALL=en_US.UTF-8
+
+RUN apk --no-cache add postgresql16-client python3 py3-pip tini
+
+COPY ./ $APP_HOME
+WORKDIR $APP_HOME
+
+RUN python3 -m pip install $APP_HOME
+
+ENTRYPOINT ["tini", "--"]
+
+CMD ["python3", "start.py"]