Build: multistage, maintenance info, .dockerignore (#16)

Build: multistage, .dockerignore, delete volume

Author: Rufina

.dockerignore

@@ -1,4 +1,10 @@
 # Created by .ignore support plugin (hsz.mobi)
 test
 .idea
-venv
+venv
+.dockerignore
+.github
+.gitignore
+jenkinsfile.disable.groovy
+Dockerfile*
+README.md

Dockerfile

@@ -1,44 +1,58 @@
-ARG PYTHON_IMAGE_VERSION=latest
-FROM python:${PYTHON_IMAGE_VERSION}-slim
-ARG GRPC_HEALTH_PROBE_VERSION=v0.4.2
+# syntax=docker/dockerfile:1
+ARG PYTHON_IMAGE_VERSION=3.7
+FROM python:${PYTHON_IMAGE_VERSION}-slim as base
+LABEL DEPLOYMENT_TYPE="APP" maintainer="support@hydrosphere.io"
+
+ENV PYTHONUNBUFFERED=1 \
+    PYTHONDONTWRITEBYTECODE=1 \
+    POETRY_PATH=/opt/poetry \
+    VENV_PATH=/opt/pysetup/.venv \
+    POETRY_VERSION=1.1.6 
+ENV PATH="$POETRY_PATH/bin:$VENV_PATH/bin:$PATH"
+
+FROM base AS build
+
+RUN apt-get update && apt-get -y install \
+    curl \
+    sudo \
+    wget && \
+    \
+    GRPC_HEALTH_PROBE_VERSION=v0.4.2 && wget -qO/bin/grpc_health_probe https://github.com/grpc-ecosystem/grpc-health-probe/releases/download/${GRPC_HEALTH_PROBE_VERSION}/grpc_health_probe-linux-amd64 && \
+    chmod +x /bin/grpc_health_probe && \
+    \
+    curl -sSL https://raw.githubusercontent.com/sdispater/poetry/master/get-poetry.py | python && \
+    mv /root/.poetry $POETRY_PATH && \
+    python -m venv $VENV_PATH && \
+    poetry config virtualenvs.create false && \
+    poetry config experimental.new-installer false && \
+    pip install --upgrade pip && \
+    rm -rf /var/lib/apt/lists/*
 
-ENV APP_PORT=9091
-ENV MODEL_DIR=/model
+COPY poetry.lock pyproject.toml ./
+RUN poetry install --no-interaction
 
-ENV POETRY_HOME="/opt/poetry"
-ENV VENV_PATH="/opt/pysetup/.venv"
-ENV PATH="$POETRY_HOME/bin:$VENV_PATH/bin:$PATH"
 
-VOLUME /model
-LABEL DEPLOYMENT_TYPE=APP
+FROM base as runtime
 
-RUN apt-get update && \
-    apt-get -y install wget curl sudo
+RUN useradd -u 42069 --create-home --shell /bin/bash app
 
-RUN 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
-RUN curl -sSL https://raw.githubusercontent.com/sdispater/poetry/master/get-poetry.py | python
+WORKDIR /home/app
 
+ENV APP_PORT=9091
+EXPOSE ${APP_PORT}
 HEALTHCHECK --start-period=10s CMD /bin/grpc_health_probe -addr=:${APP_PORT}
 
-WORKDIR /app
-
-COPY poetry.lock pyproject.toml ./
-RUN poetry config virtualenvs.create false
-RUN poetry install --no-interaction
-
-COPY . /app/
+COPY --from=build --chown=app:app /bin/grpc_health_probe /bin/grpc_health_probe
+COPY --from=build --chown=app:app $VENV_PATH $VENV_PATH
 
-RUN chmod +x /app/src/main.py
-RUN sync 
+COPY --chown=app:app src/ /home/app/src/
+COPY --chown=app:app start.sh start.sh
 
-RUN useradd -u 42069 app && \
-    mkdir /home/app && \
-    chown app /home/app && \
-    chown app /app && \
-    chmod +x /app/start.sh
+RUN chmod +x /home/app/src/main.py && \
+    sync && \
+    chmod +x /home/app/start.sh
 
 RUN echo "app ALL=NOPASSWD: /usr/bin/apt" > /etc/sudoers
 USER app
 
-CMD ["/app/start.sh"]
+ENTRYPOINT ["bash", "/home/app/start.sh"]

Makefile

@@ -2,10 +2,7 @@ PYTHON_EXEC=python
 VERSION=dev
 
 .PHONY: python-all
-python-all: python-3.7 python-3.8
-
-.PHONY: python
-python: python-latest
+python-all: python-3.7 python-3.8.11
 
 .PHONY: python-%
 python-%:

README.md

@@ -2,11 +2,10 @@
 Python runtime for [Hydrosphere Serving](https://github.com/Hydrospheredata/hydro-serving).
 Provides a GRPC API for Python scripts.
 
-Supported versions are: python-3.6 python-3.7 python-3.8 
+Supported versions are: python-3.7 python-3.8 
 
 ## Build commands
 - `make test`
-- `make python` - build docker runtime with python:latest-alpine base image
 - `make python-${VERSION}` - build docker runtime with python:${VERSION}-alpine base image
 - `make clean` - clean repository from temp files
 

start.sh

@@ -1,4 +1,4 @@
 #!/bin/sh
 
-cd /app/src
-PYTHONPATH=/app:/app/src/ python3 main.py
+cd /home/app/src
+PYTHONPATH=/home/app:/home/app/src/ python3 main.py