Remove Ubuntu 22.04 container

.docker/Dockerfile

@@ -1,70 +1,42 @@
-# SPDX-FileCopyrightText: 2022 James R. Barlow
+# SPDX-FileCopyrightText: 2024 James R. Barlow
 # SPDX-License-Identifier: MPL-2.0
 
-FROM ubuntu:22.04 as base
+FROM ubuntu:24.04 AS base
 
 ENV LANG=C.UTF-8
 ENV TZ=UTC
 RUN echo 'debconf debconf/frontend select Noninteractive' | debconf-set-selections
 
 RUN apt-get update && apt-get install -y --no-install-recommends \
   python3 \
-  libqpdf-dev \
-  zlib1g \
-  liblept5
+  python-is-python3
 
-FROM base as builder
+FROM base AS builder
 
-# Note we need leptonica here to build jbig2
 RUN apt-get update && apt-get install -y --no-install-recommends \
-  build-essential autoconf automake libtool \
-  libleptonica-dev \
-  zlib1g-dev \
-  python3-dev \
-  python3-distutils \
-  libffi-dev \
-  ca-certificates \
-  curl \
+  python3-pip \
+  python3-venv \
   git \
-  libcairo2-dev \
-  pkg-config
-
-# Get the latest pip (Ubuntu version doesn't support manylinux2010)
-RUN \
-  curl https://bootstrap.pypa.io/get-pip.py | python3
-
-# Compile and install jbig2
-# Needs libleptonica-dev, zlib1g-dev
-RUN \
-  mkdir jbig2 \
-  && curl -L https://github.com/agl/jbig2enc/archive/ea6a40a.tar.gz | \
-  tar xz -C jbig2 --strip-components=1 \
-  && cd jbig2 \
-  && ./autogen.sh && ./configure && make && make install \
-  && cd .. \
-  && rm -rf jbig2
+  curl
 
 COPY . /app
 
 WORKDIR /app
 
-RUN pip3 install --no-cache-dir .[test,webservice,watcher]
+RUN curl -LsSf https://astral.sh/uv/0.4.27/install.sh | sh
 
-FROM base
+ENV UV_COMPILE_BYTECODE=1 UV_LINK_MODE=copy
 
-# For Tesseract 5
-RUN apt-get update && apt-get install -y --no-install-recommends \
-  software-properties-common gpg-agent
-RUN add-apt-repository -y ppa:alex-p/tesseract-ocr-devel
+# Instead of restarting the shell, use uv directly from its installed location.
+RUN /root/.cargo/bin/uv sync --extra test --extra webservice --extra watcher
+
+FROM base
 
 RUN apt-get update && apt-get install -y --no-install-recommends \
   ghostscript \
   fonts-droid-fallback \
   jbig2dec \
-  img2pdf \
-  libsm6 libxext6 libxrender-dev \
   pngquant \
-  python-is-python3 \
   tesseract-ocr \
   tesseract-ocr-chi-sim \
   tesseract-ocr-deu \
@@ -77,14 +49,9 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
 
 WORKDIR /app
 
-COPY --from=builder /usr/local/lib/ /usr/local/lib/
-COPY --from=builder /usr/local/bin/ /usr/local/bin/
+COPY --from=builder --chown=app:app /app /app
 
-COPY --from=builder /app/misc/webservice.py /app/
-COPY --from=builder /app/misc/watcher.py /app/
+ENV PATH="/app/.venv/bin:${PATH}"
 
-# Copy minimal project files to get the test suite.
-COPY --from=builder /app/pyproject.toml /app/README.md /app/
-COPY --from=builder /app/tests /app/tests
+ENTRYPOINT ["/app/.venv/bin/ocrmypdf"]
 
-ENTRYPOINT ["/usr/local/bin/ocrmypdf"]