Adaptation of Compute:

# See the License for the specific language governing permissions and

# limitations under the License.

FROM python:3-slim

FROM python:3.9-slim

# Install dependencies

RUN apt-get --yes --quiet --quiet update && \

    chmod +x /bin/grpc_health_probe

# Get generic Python packages

RUN python3 -m pip install --upgrade pip setuptools wheel pip-tools

RUN python3 -m pip install --upgrade pip

RUN python3 -m pip install --upgrade setuptools wheel

RUN python3 -m pip install --upgrade pip-tools

# Set working directory

# Get common Python packages

# Note: this step enables sharing the previous Docker build steps among all the Python components

WORKDIR /var/teraflow

COPY common_requirements.in common_requirements.in

RUN pip-compile --quiet --output-file=common_requirements.txt common_requirements.in

RUN python3 -m pip install -r common_requirements.txt

# Create module sub-folders

RUN mkdir -p /var/teraflow/compute

# Add common files into working directory

WORKDIR /var/teraflow/common

COPY src/common/. ./

RUN rm -rf proto

# Create proto sub-folder, copy .proto files, and generate Python code

RUN mkdir -p /var/teraflow/common/proto

WORKDIR /var/teraflow/common/proto

RUN touch __init__.py

COPY proto/*.proto ./

RUN python3 -m grpc_tools.protoc -I=. --python_out=. --grpc_python_out=. *.proto

RUN rm *.proto

RUN find . -type f -exec sed -i -E 's/(import\ .*)_pb2/from . \1_pb2/g' {} \;

# Get Python packages per module

COPY compute/requirements.in compute/requirements.in

RUN pip-compile --output-file=compute/requirements.txt compute/requirements.in

RUN python3 -m pip install -r compute/requirements.txt

# Create component sub-folder, get specific Python packages

RUN mkdir -p /var/teraflow/compute

WORKDIR /var/teraflow/compute

COPY src/compute/requirements.in requirements.in

RUN pip-compile --quiet --output-file=requirements.txt requirements.in

RUN python3 -m pip install -r requirements.txt

# Add files into working directory

COPY common/. common

COPY compute/. compute

COPY context/. context

COPY service/. service

COPY slice/. slice

# Add component files into working directory

COPY src/compute/. compute/

COPY src/context/. context/

COPY src/service/. service/

COPY src/slice/. slice/

# Start compute service

# Start the service

ENTRYPOINT ["python", "-m", "compute.service"]