ci(docker): build image for each Python version (#103)

.travis.yml

@@ -54,11 +54,44 @@ jobs:
           fi
         - |
           docker build . \
+            -f "${TRAVIS_BUILD_DIR}/docker/Dockerfile_py3.6" \
+            -t "${DOCKER_REPO_NAME}:${DOCKER_TAG}-py3.6" \
+            || travis_terminate 1
+        - |
+          docker build . \
+            -f "${TRAVIS_BUILD_DIR}/docker/Dockerfile_py3.7" \
+            -t "${DOCKER_REPO_NAME}:${DOCKER_TAG}-py3.7" \
+            || travis_terminate 1
+        - |
+          docker build . \
+            -f "${TRAVIS_BUILD_DIR}/docker/Dockerfile_py3.8" \
+            -t "${DOCKER_REPO_NAME}:${DOCKER_TAG}-py3.8" \
+            || travis_terminate 1
+        - |
+          docker build . \
+            -f "${TRAVIS_BUILD_DIR}/docker/Dockerfile_py3.9" \
+            -t "${DOCKER_REPO_NAME}:${DOCKER_TAG}-py3.9" \
+            || travis_terminate 1
+        - |
+          docker build . \
+            -f "${TRAVIS_BUILD_DIR}/docker/Dockerfile_py3.9" \
             -t "${DOCKER_REPO_NAME}:latest" \
-            -t "${DOCKER_REPO_NAME}:${DOCKER_TAG}" \
             || travis_terminate 1
-        - echo "${DOCKER_TOKEN}" | docker login -u "${DOCKER_USER}" --password-stdin
-        - docker push "${DOCKER_REPO_NAME}:${DOCKER_TAG}"
+        - |
+          echo "${DOCKER_TOKEN}" | \
+            docker login -u "${DOCKER_USER}" --password-stdin
+        - |
+          docker push "${DOCKER_REPO_NAME}:${DOCKER_TAG}-py3.6" \
+            || travis_terminate 1
+        - |
+          docker push "${DOCKER_REPO_NAME}:${DOCKER_TAG}-py3.7" \
+            || travis_terminate 1
+        - |
+          docker push "${DOCKER_REPO_NAME}:${DOCKER_TAG}-py3.8" \
+            || travis_terminate 1
+        - |
+          docker push "${DOCKER_REPO_NAME}:${DOCKER_TAG}-py3.9" \
+            || travis_terminate 1
         - if [ "$TRAVIS_BRANCH" = "dev" ]; then docker push "${DOCKER_REPO_NAME}:latest"; fi
         - rm ${HOME}/.docker/config.json  # delete token
 

Dockerfile → docker/Dockerfile_py3.6

@@ -19,7 +19,7 @@ RUN apt-get update && \
 WORKDIR /app
 
 # Install Python dependencies
-COPY requirements.txt setup.py README.md ./
+COPY requirements.txt ./
 RUN pip install \
         --no-warn-script-location \
         --prefix="/install" \

docker/Dockerfile_py3.7

@@ -0,0 +1,50 @@
+FROM python:3.7-slim-stretch as base
+
+# Metadata
+LABEL software="FOCA"
+LABEL software.description="Kickstart OpenAPI-based microservice development with Flask & Connexion"
+LABEL software.website="https://github.com/elixir-cloud-aai/foca"
+LABEL software.license="https://spdx.org/licenses/Apache-2.0"
+LABEL maintainer="alexander.kanitz@alumni.ethz.ch"
+LABEL maintainer.organisation="ELIXIR Cloud & AAI"
+
+# Build image
+FROM base as builder
+
+# Install general dependencies
+ENV PACKAGES openssl git build-essential python3-dev curl jq
+RUN apt-get update && \
+    apt-get install -y --no-install-recommends ${PACKAGES} && \
+    rm -rf /var/lib/apt/lists/*
+WORKDIR /app
+
+# Install Python dependencies
+COPY requirements.txt ./
+RUN pip install \
+        --no-warn-script-location \
+        --prefix="/install" \
+        -r requirements.txt
+
+# Install FOCA
+COPY setup.py README.md ./
+COPY foca/ ./foca/
+RUN pip install . \
+        --no-warn-script-location \
+        --prefix="/install"
+
+# Final image
+FROM base
+
+# Python UserID workaround for OpenShift/K8S
+ENV LOGNAME=ipython
+ENV USER=ipython
+ENV HOME=/tmp/user
+
+# Install general dependencies
+ENV PACKAGES openssl git build-essential python3-dev curl jq
+RUN apt-get update && \
+    apt-get install -y --no-install-recommends ${PACKAGES} && \
+    rm -rf /var/lib/apt/lists/*
+
+# Copy Python packages
+COPY --from=builder /install /usr/local

docker/Dockerfile_py3.8

@@ -0,0 +1,50 @@
+FROM python:3.8-slim-buster as base
+
+# Metadata
+LABEL software="FOCA"
+LABEL software.description="Kickstart OpenAPI-based microservice development with Flask & Connexion"
+LABEL software.website="https://github.com/elixir-cloud-aai/foca"
+LABEL software.license="https://spdx.org/licenses/Apache-2.0"
+LABEL maintainer="alexander.kanitz@alumni.ethz.ch"
+LABEL maintainer.organisation="ELIXIR Cloud & AAI"
+
+# Build image
+FROM base as builder
+
+# Install general dependencies
+ENV PACKAGES openssl git build-essential python3-dev curl jq
+RUN apt-get update && \
+    apt-get install -y --no-install-recommends ${PACKAGES} && \
+    rm -rf /var/lib/apt/lists/*
+WORKDIR /app
+
+# Install Python dependencies
+COPY requirements.txt ./
+RUN pip install \
+        --no-warn-script-location \
+        --prefix="/install" \
+        -r requirements.txt
+
+# Install FOCA
+COPY setup.py README.md ./
+COPY foca/ ./foca/
+RUN pip install . \
+        --no-warn-script-location \
+        --prefix="/install"
+
+# Final image
+FROM base
+
+# Python UserID workaround for OpenShift/K8S
+ENV LOGNAME=ipython
+ENV USER=ipython
+ENV HOME=/tmp/user
+
+# Install general dependencies
+ENV PACKAGES openssl git build-essential python3-dev curl jq
+RUN apt-get update && \
+    apt-get install -y --no-install-recommends ${PACKAGES} && \
+    rm -rf /var/lib/apt/lists/*
+
+# Copy Python packages
+COPY --from=builder /install /usr/local

docker/Dockerfile_py3.9

@@ -0,0 +1,50 @@
+FROM python:3.9-slim-buster as base
+
+# Metadata
+LABEL software="FOCA"
+LABEL software.description="Kickstart OpenAPI-based microservice development with Flask & Connexion"
+LABEL software.website="https://github.com/elixir-cloud-aai/foca"
+LABEL software.license="https://spdx.org/licenses/Apache-2.0"
+LABEL maintainer="alexander.kanitz@alumni.ethz.ch"
+LABEL maintainer.organisation="ELIXIR Cloud & AAI"
+
+# Build image
+FROM base as builder
+
+# Install general dependencies
+ENV PACKAGES openssl git build-essential python3-dev curl jq
+RUN apt-get update && \
+    apt-get install -y --no-install-recommends ${PACKAGES} && \
+    rm -rf /var/lib/apt/lists/*
+WORKDIR /app
+
+# Install Python dependencies
+COPY requirements.txt README.md ./
+RUN pip install \
+        --no-warn-script-location \
+        --prefix="/install" \
+        -r requirements.txt
+
+# Install FOCA
+COPY setup.py ./
+COPY foca/ ./foca/
+RUN pip install . \
+        --no-warn-script-location \
+        --prefix="/install"
+
+# Final image
+FROM base
+
+# Python UserID workaround for OpenShift/K8S
+ENV LOGNAME=ipython
+ENV USER=ipython
+ENV HOME=/tmp/user
+
+# Install general dependencies
+ENV PACKAGES openssl git build-essential python3-dev curl jq
+RUN apt-get update && \
+    apt-get install -y --no-install-recommends ${PACKAGES} && \
+    rm -rf /var/lib/apt/lists/*
+
+# Copy Python packages
+COPY --from=builder /install /usr/local