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Containerfile

@@ -1,7 +1,14 @@
 # syntax=docker/dockerfile:1.20
 
-# Stage 1: Builder
-FROM docker.io/python:3.12-slim AS builder
+ARG PY_IMAGE=python:3.12-slim
+
+# Stage 1: Base Builder
+FROM ${PY_IMAGE} AS base-builder
+
+RUN apt-get update && \
+    apt-get install -y --no-install-recommends \
+    curl git \
+    && rm -rf /var/lib/apt/lists/*
 
 COPY --from=ghcr.io/astral-sh/uv:latest /uv /uvx /bin/
 
@@ -14,18 +21,30 @@ ENV PYTHONDONTWRITEBYTECODE=1 \
     UV_LINK_MODE=copy \
     UV_PROJECT_ENVIRONMENT=/opt/venv
 
-RUN apt-get update && \
-    apt-get install -y --no-install-recommends \
-    curl git \
-    && rm -rf /var/lib/apt/lists/*
-
 COPY pyproject.toml uv.lock ./
 
-RUN uv sync --group backend --frozen --no-cache
+# Stage 2: Backend Builder
+FROM base-builder AS backend-builder
+
+COPY ./src ./src
+
+RUN uv sync --frozen --no-dev --no-cache --group backend
+
+# Stage 3: ML Builder
+FROM base-builder AS ml-builder
+
+COPY ./src ./src
+
+RUN uv sync --frozen --no-dev --no-cache --group ml
 
 
-# Stage 2: Runtime
-FROM docker.io/python:3.12-alpine3.22 AS runtime
+# Stage 4: Backend Runtime
+FROM ${PY_IMAGE} AS runtime
+
+RUN apt-get update && \
+    apt-get install -y --no-install-recommends \
+    curl \
+    && rm -rf /var/lib/apt/lists/*
 
 ENV PYTHONDONTWRITEBYTECODE=1 \
     PYTHONUNBUFFERED=1 \
@@ -35,28 +54,22 @@ ENV PYTHONDONTWRITEBYTECODE=1 \
 
 WORKDIR /app
 
-RUN apk add --no-cache --virtual .runtime-deps \
-    curl && \
-    rm -rf /var/cache/apk/*
+COPY --from=backend-builder /opt/venv /opt/venv
 
-RUN adduser -D -g '' app && chown -R app:app /app
-
-USER app
-
-COPY --from=builder --chown=app:app /opt/venv /opt/venv
-
-COPY --chown=app:app ./src/ ./
+COPY ./src/ ./
 
 EXPOSE 8080
 
-HEALTHCHECK --interval=30s --timeout=5s --start-period=5s --retries=3 \
-    CMD curl -fsS http://localhost:8080/healthcheck || exit 1
-
-CMD [ "web_api_cli", "/app/config.toml" ]
+CMD [ "/opt/venv/bin/web_api_cli", "/app/config.toml" ]
 
 
-# Stage 3: Testing
-FROM builder AS tests
+# Stage 5: ML Runtime
+FROM ${PY_IMAGE} AS ml
+
+RUN apt-get update && \
+    apt-get install -y --no-install-recommends \
+    curl \
+    && rm -rf /var/lib/apt/lists/*
 
 ENV PYTHONDONTWRITEBYTECODE=1 \
     PYTHONUNBUFFERED=1 \
@@ -66,21 +79,39 @@ ENV PYTHONDONTWRITEBYTECODE=1 \
 
 WORKDIR /app
 
-RUN uv sync --no-install-project --group tests --frozen --no-cache
+COPY --from=ml-builder /opt/venv /opt/venv
+
+COPY ./src/ ./
+
+EXPOSE 8081
+
+CMD [ "/opt/venv/bin/ml_api_cli", "/app/config.toml" ]
+
+
+# Stage 6: Testing
+FROM base-builder AS tests
+
+ENV PYTHONDONTWRITEBYTECODE=1 \
+    PYTHONUNBUFFERED=1 \
+    PYTHONOPTIMIZE=2 \
+    PATH="/opt/venv/bin:$PATH" \
+    PYTHONPATH="/app:$PYTHONPATH"
+
+WORKDIR /app
 
 COPY ./src ./src
 
 COPY ./tests ./tests
 
-RUN uv pip install -e .
+RUN uv sync --group tests --frozen --no-cache
 
 RUN mkdir -p /app/cov && mkdir /app/cov/html
 
 CMD [ "sh", "-c", "coverage run --source=src -m pytest -v && coverage report > /app/cov/coverage.txt && coverage xml -o /app/cov/coverage.xml && coverage html -d /app/cov/html" ]
 
 
-# Stage 4: Migrations
-FROM builder AS migrations
+# Stage 7: Migrations
+FROM base-builder AS migrations
 
 ENV PYTHONDONTWRITEBYTECODE=1 \
     PYTHONUNBUFFERED=1 \
@@ -92,14 +123,12 @@ WORKDIR /app
 
 RUN mkdir -p ./src/template_project
 
-RUN uv sync --no-install-project --group migrations --frozen --no-cache
-
 COPY ./src ./src
 
 COPY ./tests ./tests
 
 COPY ./alembic.ini ./
 
-RUN uv pip install -e .
+RUN uv sync --group migrations --frozen --no-cache
 
 CMD [ "alembic", "upgrade", "head" ]