Add initial implementations for forms and organization apps with serializers, factories, and admin configurations

docker/Dockerfile

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+FROM python:3.11-slim-bookworm AS base
+
+ENV PYTHONDONTWRITEBYTECODE=1 \
+    PYTHONUNBUFFERED=1 \
+    UV_COMPILE_BYTECODE=1 \
+    UV_LINK_MODE=copy \
+    UV_PYTHON_DOWNLOADS=never \
+    UV_PROJECT_ENVIRONMENT=/app/.venv
+
+WORKDIR /app
+
+RUN groupadd -r appgroup && useradd -r -g appgroup -m appuser
+
+# Install uv binary.
+COPY --from=ghcr.io/astral-sh/uv:0.7.2 /uv /uvx /usr/local/bin/
+
+
+FROM base AS builder
+
+ARG INSTALL_DEV=false
+
+# hadolint ignore=DL3008
+RUN apt-get update \
+    && apt-get install -y --no-install-recommends \
+    build-essential \
+    gcc \
+    libpq-dev \
+    libffi-dev \
+    libxml2-dev \
+    libxslt1-dev \
+    zlib1g-dev \
+    pkg-config \
+    && rm -rf /var/lib/apt/lists/*
+
+COPY pyproject.toml uv.lock ./
+
+RUN if [ "${INSTALL_DEV}" = "true" ]; then \
+        uv sync --frozen --no-install-project --dev; \
+    else \
+        uv sync --frozen --no-install-project; \
+    fi
+
+
+FROM base AS runtime-base
+
+# hadolint ignore=DL3008
+RUN apt-get update \
+    && apt-get install -y --no-install-recommends \
+    curl \
+    libpq5 \
+    libffi8 \
+    libxml2 \
+    libxslt1.1 \
+    zlib1g \
+    && rm -rf /var/lib/apt/lists/*
+
+COPY --from=builder /app/.venv /app/.venv
+COPY src/ ./src/
+COPY docker/scripts/ ./docker/scripts/
+
+RUN mkdir -p logs media staticfiles input src/static \
+    && chmod +x /app/docker/scripts/*.sh \
+    && chown -R appuser:appgroup /app
+
+ENV PATH="/app/.venv/bin:${PATH}" \
+    PYTHONPATH=/app/src
+
+USER appuser
+ENTRYPOINT ["/app/docker/scripts/entrypoint.sh"]
+
+
+FROM runtime-base AS runtime-web
+
+EXPOSE 8000
+CMD ["web"]
+
+
+FROM runtime-base AS runtime-celery
+
+CMD ["celery-worker"]