First Dockerfile with GUI that starts

It doesn't continue yet as it seems to be waiting for a connection
 to I2P... or something else 🤷‍

#32 - Docker image

Dockerfile

@@ -0,0 +1,62 @@
+FROM jlesage/baseimage-gui:alpine-3.10-glibc
+
+# Docker image version is provided via build arg.
+ARG DOCKER_IMAGE_VERSION=unknown
+
+# JDK version
+ARG JDK=9
+ARG TMP_DIR=muwire-tmp
+
+# Define working directory.
+WORKDIR /$TMP_DIR
+
+# Put sources into dir
+COPY . .
+
+# Install dependencies.
+RUN apk add --no-cache openjdk${JDK}-jdk openjdk${JDK}-jre
+
+# Build and untar in future distribution dir
+RUN ./gradlew --no-daemon clean assemble \
+        && mkdir -p /muwire \
+        # Extract to /muwire and ignore the first dir
+        # First dir in tar is the "MuWire-<version>"
+        && tar -C /muwire --strip 1 -xvf gui/build/distributions/MuWire*.tar
+
+# Cleanup
+RUN rm -rf /muwire-tmp /root/.gradle /root/.java
+# Leave only the JRE
+RUN apk del openjdk${JDK}-jdk
+
+WORKDIR /muwire
+
+# Maximize only the main/initial window.
+RUN \
+    sed-patch 's/<application type="normal">/<application type="normal" title="MuWire">/' \
+        /etc/xdg/openbox/rc.xml
+
+# Generate and install favicons.
+#RUN \
+#    APP_ICON_URL=https://raw.githubusercontent.com/jlesage/docker-templates/master/jlesage/images/jdownloader-2-icon.png && \
+#    install_app_icon.sh "$APP_ICON_URL"
+
+# Add files.
+COPY docker/rootfs/ /
+RUN chmod +x /startapp.sh
+
+# Set environment variables.
+ENV APP_NAME="MuWire" \
+    S6_KILL_GRACETIME=8000
+
+# Define mountable directories.
+VOLUME ["/config"]
+VOLUME ["/output"]
+
+
+# Metadata.
+LABEL \
+      org.label-schema.name="muwire" \
+      org.label-schema.description="Docker container for MuWire" \
+      org.label-schema.version="$DOCKER_IMAGE_VERSION" \
+      org.label-schema.vcs-url="https://github.com/zlatinb/muwire" \
+      org.label-schema.schema-version="1.0"

docker/rootfs/startapp.sh

@@ -0,0 +1,7 @@
+#!/bin/sh
+
+# Explicitly define HOME otherwise it might not have been set
+export HOME=/config
+
+echo "Starting MuWire"
+exec /muwire/bin/MuWire