chore(devcontainer): use coatldev/six:3.12 as base image and install …

…jython

coatldev/six will no longer publish an image with Jython pre-installed

Dockerfile

@@ -1,4 +1,40 @@
-FROM coatldev/six:jython-3.12 as devcontainer
+FROM coatldev/six:3.12 AS base
+
+ENV JYTHON_HOME=/opt/jython
+
+# install Java
+# hadolint ignore=DL3008
+RUN set -eux; \
+    apt-get update; \
+    apt-get install --yes --no-install-recommends \
+        openjdk-17-jre \
+        ; \
+    rm -rf /var/lib/apt/lists/*
+
+# >============================================================================<
+
+FROM base AS jython
+
+ENV JYTHON_VERSION=2.7.3
+
+WORKDIR /tmp
+
+RUN set -eux; \
+    \
+    wget -q "https://repo1.maven.org/maven2/org/python/jython-installer/${JYTHON_VERSION}/jython-installer-${JYTHON_VERSION}.jar"; \
+    \
+    java -jar "jython-installer-${JYTHON_VERSION}.jar" \
+        --silent \
+        --type standard \
+        --directory "${JYTHON_HOME}"
+
+# >============================================================================<
+
+FROM base AS devcontainer
+
+COPY --from=jython ${JYTHON_HOME}/ ${JYTHON_HOME}/
+
+ENV PATH="${JYTHON_HOME}/bin:$PATH"
 
 COPY requirements /tmp/requirements/
 
@@ -12,4 +48,4 @@ RUN set -eux; \
     python3 -m pip install --requirement \
         /tmp/requirements/build.txt
 
-CMD ["/bin/bash"]
+CMD ["/bin/bash"]