Update base image for Azure Functions Java 8

Author: Chuxel

containers/azure-functions-java-8/.devcontainer/Dockerfile

@@ -3,7 +3,7 @@
 # Licensed under the MIT License. See https://go.microsoft.com/fwlink/?linkid=2090316 for license information.
 #-------------------------------------------------------------------------------------------------------------
 
-FROM maven:3-jdk-8
+FROM mcr.microsoft.com/java/jdk:8u232-zulu-ubuntu
 
 # Avoid warnings by switching to noninteractive
 ENV DEBIAN_FRONTEND=noninteractive
@@ -16,6 +16,10 @@ ARG USERNAME=vscode
 ARG USER_UID=1000
 ARG USER_GID=$USER_UID
 
+# Maven settings
+ARG MAVEN_VERSION=3.6.1
+ARG MAVEN_SHA=b4880fb7a3d81edd190a029440cdf17f308621af68475a4fe976296e71ff4a4b546dd6d8a58aaafba334d309cc11e638c52808a4b0e818fc0fd544226d952544
+
 # Configure apt and install packages
 RUN apt-get update \
     && apt-get -y install --no-install-recommends apt-utils dialog 2>&1 \
@@ -29,17 +33,22 @@ RUN apt-get update \
         apt-transport-https \
         gnupg2 \
         lsb-release \
+    # 
+    # Install Maven
+    && mkdir -p /usr/share/maven /usr/share/maven/ref \
+    && curl -fsSL -o /tmp/apache-maven.tar.gz https://apache.osuosl.org/maven/maven-3/${MAVEN_VERSION}/binaries/apache-maven-${MAVEN_VERSION}-bin.tar.gz \
+    && echo "${MAVEN_SHA} /tmp/apache-maven.tar.gz" | sha512sum -c - \
+    && tar -xzf /tmp/apache-maven.tar.gz -C /usr/share/maven --strip-components=1 \
+    && rm -f /tmp/apache-maven.tar.gz \
+    && ln -s /usr/share/maven/bin/mvn /usr/bin/mvn \
     #
     # Install Azure Functions, .NET Core, and Azure CLI
     && echo "deb [arch=amd64] https://packages.microsoft.com/repos/azure-cli/ $(lsb_release -cs) main" > /etc/apt/sources.list.d/azure-cli.list \
-    && echo "deb [arch=amd64] https://packages.microsoft.com/repos/microsoft-debian-$(lsb_release -cs)-prod $(lsb_release -cs) main" > /etc/apt/sources.list.d/dotnetdev.list \
+    && echo "deb [arch=amd64] https://packages.microsoft.com/repos/microsoft-ubuntu-$(lsb_release -cs)-prod $(lsb_release -cs) main" > /etc/apt/sources.list.d/dotnetdev.list \
     && curl -sL https://packages.microsoft.com/keys/microsoft.asc | (OUT=$(apt-key add - 2>&1) || echo $OUT) \
     && apt-get update \
     && apt-get install -y azure-cli dotnet-sdk-2.1 azure-functions-core-tools \
     #
-    # Allow for a consistant java home location for settings - image is changing over time
-    && if [ ! -d "/docker-java-home" ]; then ln -s "${JAVA_HOME}" /docker-java-home; fi \
-    #
     # Create a non-root user to use if preferred - see https://aka.ms/vscode-remote/containers/non-root-user.
     && groupadd --gid $USER_GID $USERNAME \
     && useradd -s /bin/bash --uid $USER_UID --gid $USER_GID -m $USERNAME \
@@ -54,5 +63,10 @@ RUN apt-get update \
     && rm -rf /var/lib/apt/lists/*
 
 
+ENV MAVEN_HOME /usr/share/maven
+ENV MAVEN_CONFIG /home/$USERNAME/.m2
+
+COPY maven-settings.xml /usr/share/maven/ref/
+
 # Switch back to dialog for any ad-hoc use of apt-get
-ENV DEBIAN_FRONTEND=
+ENV DEBIAN_FRONTEND=dialog

containers/azure-functions-java-8/.devcontainer/devcontainer.json

@@ -7,7 +7,7 @@
 	// You can edit these settings after create using File > Preferences > Settings > Remote.
 	"settings": { 
 		"terminal.integrated.shell.linux": "/bin/bash",
-		"java.home": "/docker-java-home"
+		"java.home": "/usr/lib/jvm/zulu-8-azure-amd64"
 	},
 
 	// Uncomment the next line to run commands after the container is created.

containers/azure-functions-java-8/.devcontainer/maven-settings.xml

@@ -0,0 +1,6 @@
+<settings xmlns="http://maven.apache.org/SETTINGS/1.0.0"
+  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+  xsi:schemaLocation="http://maven.apache.org/SETTINGS/1.0.0
+                      https://maven.apache.org/xsd/settings-1.0.0.xsd">
+  <localRepository>/usr/share/maven/ref/repository</localRepository>
+</settings>