Docker image refactor

.github/workflows/build-and-test.yml

@@ -34,7 +34,7 @@ jobs:
         ports:
           - 6379:6379
       sqldb:
-        image: postgres:16
+        image: postgres:17
         env:
           POSTGRES_USER: panettone
           POSTGRES_PASSWORD: secret
@@ -45,12 +45,12 @@ jobs:
         options: --health-cmd pg_isready --health-interval 10s --health-timeout 5s --health-retries 5
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - name: Create database schema
         run: PGPASSWORD=secret psql -h 127.0.0.1 -d testdb -U panettone -c "CREATE SCHEMA shakespeare; CREATE SCHEMA happy_hog;"
 
-      - name: Install the latest version of uv and set the python version
-        uses: astral-sh/setup-uv@v5
+      - name: Install the latest version of uv
+        uses: astral-sh/setup-uv@v7
         with:
           python-version: ${{ matrix.python-version }}
 

Dockerfile

@@ -1,14 +1,11 @@
-FROM ubuntu:25.10 AS base
+FROM python:3.14-slim AS base
 
 RUN apt-get update -qy \
     && apt-get install -qyy \
     -o APT::Install-Recommends=false \
     -o APT::Install-Suggests=false \
     build-essential \
-    ca-certificates \
-    python3-setuptools \
-    python3.14-dev
-
+    ca-certificates
 
 COPY --from=ghcr.io/astral-sh/uv:latest /uv /uvx /bin/
 
@@ -22,25 +19,13 @@ COPY uv.lock /_lock/
 
 RUN cd /_lock && uv sync --locked --no-install-project
 ##########################################################################
-FROM ubuntu:25.10
+FROM python:3.14-slim
 
 ENV PATH=/panettone/bin:$PATH
 
 RUN groupadd -r panettone
 RUN useradd -r -d /panettone -g panettone -N panettone
 
-STOPSIGNAL SIGINT
-
-RUN apt-get update -qy && apt-get install -qyy \
-    -o APT::Install-Recommends=false \
-    -o APT::Install-Suggests=false \
-    python3.14 \
-    libpython3.14 \
-    libpcre3
-
-RUN apt-get clean
-RUN rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
-
 COPY --from=base --chown=panettone:panettone /panettone /panettone
 
 USER panettone