<build>(docker): refactor our dockerfile according to best practice

.dockerignore

@@ -0,0 +1,9 @@
+__pycache__
+.mypy_cache
+.pytest_cache
+.vscode
+bower_components
+venv
+node_modules
+.git
+.github

configure

@@ -21,7 +21,8 @@
 
 set -e
 
-LOG="$PWD/berrynet-install.log"
+INFO_LOG="$PWD/berrynet-install.log"
+LOG="$PWD/berrynet-install-error.log"
 DISTRIBUTIONID=`lsb_release -i -s`
 CODENAME=`lsb_release -c -s`
 INSTALL_TENSORFLOW="Y"
@@ -285,6 +286,9 @@ install_caffe2() {
 
 update_system_service() {
     sudo service mosquitto restart
+    # [BUG]: error: <class 'socket.error'>, [Errno 2] No such file or directory: file: /usr/lib/python2.7/socket.py line: 228
+    # [ref]: https://github.com/Supervisor/supervisor/issues/376
+    sudo supervisord
     sudo supervisorctl reload
     sudo a2enconf berrynet-dashboard
 }
@@ -303,7 +307,7 @@ if [ "$INSTALL_TENSORFLOW" = "Y" ]; then
     install_model mobilenet-1.0-224-quantized-tflite 2>&1 | tee -a $LOG
     install_model mobilenet-ssd-coco-tflite 2>&1 | tee -a $LOG
 else
-    echo "Not install TensorFlow" >> $LOG
+    echo "Not install TensorFlow" >> $INFO_LOG
 fi
 
 if [ "$INSTALL_OPENVINO" = "Y" ]; then
@@ -312,25 +316,41 @@ if [ "$INSTALL_OPENVINO" = "Y" ]; then
     install_model mobilenet-1.0-224-fp16-openvino 2>&1 | tee -a $LOG
     install_model mobilenet-ssd-openvino 2>&1 | tee -a $LOG
 else
-    echo "Not install OpenVINO" >> $LOG
+    echo "Not install OpenVINO" >> $INFO_LOG
 fi
 
 if [ "$INSTALL_DARKNET" = "Y" ]; then
     install_darknet 2>&1 | tee -a $LOG
     install_model tinyyolovoc 2>&1 | tee -a $LOG
 else
-    echo "Not install Darknet NNPACK" >> $LOG
+    echo "Not install Darknet NNPACK" >> $INFO_LOG
 fi
 
 if [ "$INSTALL_CAFFE2" = "Y" ]; then
     install_caffe2 2>&1 | tee -a $LOG
     download_classifier_model_caffe2 2>&1 | tee -a $LOG
 else
-    echo "Not install Caffe2" >> $LOG
+    echo "Not install Caffe2" >> $INFO_LOG
 fi
 
 update_system_service 2>&1 | tee -a $LOG
 
+# if these string exists in $LOG, throw exception
+if grep -i "error" $LOG
+then
+    exit 1
+fi
+
+if grep -i "not found" $LOG
+then
+    exit 1
+fi
+
+if grep -i "exception" $LOG
+then
+    exit 1
+fi
+
 {
     echo "Installation is completed successfully!"
     echo ""
@@ -344,4 +364,4 @@ update_system_service 2>&1 | tee -a $LOG
     echo "    /usr/local/berrynet/npm-debug.log"
     echo ""
     echo "We are happy to check and fix it, thank you!"
-} | tee -a $LOG
+} | tee -a $INFO_LOG

docker/Dockerfile

@@ -1,39 +1,43 @@
 # We start from Debian Buster. Can be rebase to Raspbian because they are
 # similar
-FROM debian:buster
+FROM python:3.7-slim-buster
 LABEL maintainer="[email protected]"
 LABEL project="Berrynet"
 LABEL version="3.7.0"
 
-# Update apt
-RUN apt-get update
-
-# Install dependencies
-RUN apt-get install -y git sudo wget lsb-release software-properties-common
-
-# Install build-essential
-RUN apt-get install -y build-essential curl
-
-# Install systemd
-RUN apt-get install -y systemd systemd-sysv
-
-# Install python
-RUN apt-get install -y python3 python3-dev
+ENV POETRY_VIRTUALENVS_CREATE=false \
+    POETRY_CACHE_DIR='/var/cache/pypoetry'
 
-# Install python libs
-RUN apt-get install -y python3-wheel python3-setuptools python3-pip
-RUN apt-get install -y python3-paho-mqtt python3-logzero python3-astor
-RUN apt-get install -y python3-opengl python3-six python3-grpcio
-RUN apt-get install -y python3-keras-applications python3-keras-preprocessing
-RUN apt-get install -y python3-protobuf python3-termcolor python3-numpy
-
-# Install daemons
-RUN apt-get install -y mosquitto mosquitto-clients
-RUN apt-get install -y apache2
-
-# Install tensorflow
-RUN pip3 install tensorflow
+# Update apt
+RUN apt-get update \
+    # Install dependencies
+    && apt-get install -y --no-install-recommends git sudo wget lsb-release software-properties-common gnupg \
+    # Install build-essential
+    build-essential curl \
+    # Install systemd
+    systemd systemd-sysv \
+    # Install daemons
+    mosquitto mosquitto-clients \
+    apache2
+
+# Install python dependencies
+WORKDIR /app
+COPY poetry.lock poetry.lock
+COPY pyproject.toml pyproject.toml
+# [WORKAROUND]: pip3 20.2.1 in 3.7 image would raise "ERROR: THESE PACKAGES DO NOT MATCH THE HASHES FROM THE REQUIREMENTS FILE"
+# REF: https://stackoverflow.com/questions/61551480/clean-docker-pip-install-results-in-error-these-packages-do-not-match-the-hashe
+RUN pip3 install pip==20.0.2 \
+    && pip3 install --no-cache-dir poetry \
+    && poetry install --no-interaction --no-ansi --no-dev \
+    # Cleaning poetry installation's cache for production:
+    && rm -rf "$POETRY_CACHE_DIR" \
+    && pip3 uninstall -yq poetry
 
 # Install BerryNet
-RUN git clone https://github.com/DT42/BerryNet.git
-RUN cd BerryNet; ./configure
+WORKDIR /app/BerryNet
+COPY . .
+RUN ./configure
+
+# remote redundant packages
+RUN apt-get remove --auto-remove --purge -y git wget lsb-release software-properties-common curl build-essential \
+    && rm -rf /var/lib/apt/lists/*