Correct DBSCAN Dockerfile

src/dbscanserving/Dockerfile

@@ -27,19 +27,6 @@ RUN GRPC_HEALTH_PROBE_VERSION=v0.2.0 && \
     wget -qO/bin/grpc_health_probe https://github.com/grpc-ecosystem/grpc-health-probe/releases/download/${GRPC_HEALTH_PROBE_VERSION}/grpc_health_probe-linux-amd64 && \
     chmod +x /bin/grpc_health_probe
 
-# Creating a user for security reasons
-RUN groupadd -r teraflow && useradd -u 1001 --no-log-init -r -m -g teraflow teraflow
-USER teraflow
-
-# set working directory
-RUN mkdir -p /home/teraflow/controller/common
-WORKDIR /home/teraflow/controller
-
-# Get Python packages per module
-ENV VIRTUAL_ENV=/home/teraflow/venv
-RUN python3 -m venv ${VIRTUAL_ENV}
-ENV PATH="${VIRTUAL_ENV}/bin:${PATH}"
-
 # Get generic Python packages
 RUN python3 -m pip install --upgrade pip
 RUN python3 -m pip install --upgrade setuptools wheel
@@ -47,36 +34,35 @@ RUN python3 -m pip install --upgrade pip-tools
 
 # Get common Python packages
 # Note: this step enables sharing the previous Docker build steps among all the Python components
-COPY --chown=teraflow:teraflow common_requirements.in common_requirements.in
+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
 
 # Add common files into working directory
-WORKDIR /home/teraflow/controller/common
-COPY --chown=teraflow:teraflow src/common/. ./
+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 /home/teraflow/controller/common/proto
-WORKDIR /home/teraflow/controller/common/proto
+RUN mkdir -p /var/teraflow/common/proto
+WORKDIR /var/teraflow/common/proto
 RUN touch __init__.py
-COPY --chown=teraflow:teraflow proto/*.proto ./
+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' {} \;
 
-# Create module sub-folders
-RUN mkdir -p /home/teraflow/controller/dbscanserving
-WORKDIR /home/teraflow/controller
-
-# Get Python packages per module
-COPY --chown=teraflow:teraflow ./src/dbscanserving/requirements.in dbscanserving/requirements.in
-# consider common and specific requirements to avoid inconsistencies with dependencies
-RUN pip-compile --quiet --output-file=dbscanserving/requirements.txt dbscanserving/requirements.in common_requirements.in
-RUN python3 -m pip install -r dbscanserving/requirements.txt
+# Create component sub-folders, get specific Python packages
+RUN mkdir -p /var/teraflow/dbscanserving
+WORKDIR /var/teraflow/dbscanserving
+COPY src/dbscanserving/requirements.in requirements.in
+RUN pip-compile --quiet --output-file=requirements.txt requirements.in
+RUN python3 -m pip install -r requirements.txt
 
 # Add component files into working directory
-COPY --chown=teraflow:teraflow ./src/dbscanserving/. dbscanserving
+WORKDIR /var/teraflow
+COPY src/dbscanserving/. dbscanserving/
 
 # Start the service
 ENTRYPOINT ["python", "-m", "dbscanserving.service"]