Dockerfiles: Add dependencies cache layers

.dockerignore

@@ -1,3 +1,10 @@
-.git
-.venv
-venv
+# Ignore all files and directories by default
+**/*
+
+# Exception: allow files and folders essential for the build
+!pyproject.toml
+!poetry.lock
+!app/
+!Dockerfile
+!Dockerfile.gpu
+!README.md

Dockerfile

@@ -9,20 +9,31 @@ LABEL org.opencontainers.image.source="https://github.com/ahmetoner/whisper-asr-
 ENV POETRY_VENV=/app/.venv
 
 RUN python3 -m venv $POETRY_VENV \
+    && $POETRY_VENV/bin/pip install --upgrade pip \
     && $POETRY_VENV/bin/pip install -U pip setuptools \
     && $POETRY_VENV/bin/pip install poetry==2.1.3
 
 ENV PATH="${PATH}:${POETRY_VENV}/bin"
 
 WORKDIR /app
 
-COPY . .
 COPY --from=ffmpeg /usr/local/bin/ffmpeg /usr/local/bin/ffmpeg
 COPY --from=swagger-ui /usr/share/nginx/html/swagger-ui.css swagger-ui-assets/swagger-ui.css
 COPY --from=swagger-ui /usr/share/nginx/html/swagger-ui-bundle.js swagger-ui-assets/swagger-ui-bundle.js
 
+# Copy poetry configuration files and install dependencies first to have them as cached docker layer
+COPY pyproject.toml poetry.lock ./
+
 RUN poetry config virtualenvs.in-project true
-RUN poetry install --extras cpu
+
+RUN --mount=type=cache,target=/root/.cache/pypoetry/artifacts \
+    poetry install --extras cpu --no-root --no-interaction --no-ansi
+
+# Copy the rest of the application code
+COPY . .
+
+# Install the project itself (dependencies should come installed from previous layer)
+RUN poetry install --extras cpu --no-interaction --no-ansi
 
 EXPOSE 9000
 

Dockerfile.gpu

@@ -25,20 +25,32 @@ RUN ln -s -f /usr/bin/python${PYTHON_VERSION} /usr/bin/python3 && \
     ln -s -f /usr/bin/pip3 /usr/bin/pip
 
 RUN python3 -m venv $POETRY_VENV \
+    && $POETRY_VENV/bin/pip install --upgrade pip \
     && $POETRY_VENV/bin/pip install -U pip setuptools \
     && $POETRY_VENV/bin/pip install poetry==2.1.3
 
 ENV PATH="${PATH}:${POETRY_VENV}/bin"
 
 WORKDIR /app
 
-COPY . .
 COPY --from=ffmpeg /usr/local/bin/ffmpeg /usr/local/bin/ffmpeg
 COPY --from=swagger-ui /usr/share/nginx/html/swagger-ui.css swagger-ui-assets/swagger-ui.css
 COPY --from=swagger-ui /usr/share/nginx/html/swagger-ui-bundle.js swagger-ui-assets/swagger-ui-bundle.js
 
+# Copy poetry configuration files and install dependencies first to have them as cached docker layer
+COPY pyproject.toml poetry.lock ./
+
 RUN poetry config virtualenvs.in-project true
-RUN poetry install --extras cuda
+
+RUN --mount=type=cache,target=/root/.cache/pypoetry/artifacts \
+    poetry install --extras cuda --no-root --no-interaction --no-ansi
+
+# Copy the rest of the application code
+COPY . .
+
+# Install the project itself (dependencies should come installed from previous layer)
+RUN --mount=type=cache,target=/root/.cache/pypoetry/artifacts \
+    poetry install --extras cuda --no-interaction --no-ansi
 
 EXPOSE 9000