build: update build structure and workflow

.github/workflows/docker-build.yaml

@@ -0,0 +1,17 @@
+name: Docker Build CI
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+
+jobs:
+  docker-build:
+    name: Run docker build
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+    - name: Create marvin:build docker image
+      run: docker build -f docker/Dockerfile.app -t marvin:build .
+    - name: Create executable using marvin:build docker image
+      run: docker build -f docker/Dockerfile.dist -t marvin:dist .

.gitignore

@@ -1,5 +1,4 @@
-/target/
-!.mvn/wrapper/maven-wrapper.jar
+/app/target/
 
 ### STS ###
 .apt_generated
@@ -16,12 +15,8 @@
 *.iml
 *.ipr
 
-### NetBeans ###
-/nbproject/private/
-/build/
-/nbbuild/
-/dist/
-/nbdist/
-/.nb-gradle/
+/.vscode/
 
 /.cache/
+
+/docker/bob-s-home

README.md

@@ -7,18 +7,16 @@ Packages and technologies used:
  * [GraalVM](https://www.graalvm.org/)
  * [Native image](https://www.graalvm.org/reference-manual/native-image/)
 
-This project uses [bmeme/mn-dev](https://hub.docker.com/r/bmeme/mn-dev) image from [BMEME](https://www.bmeme.com).
-
 ## Package the CLI application
 
 Run the docker container
 ```bash
-$ docker-compose up -d
+$ ./go-in.sh
 ```
 
 Package your application
 ```bash
-$ ./cmvn clean compile test package
+[marvin-app@docker]:/usr/src/app$ mvn clean package
 ```
 
 You will find the runnable application in `app/target/marvin`.

docker-compose.yml

@@ -0,0 +1,15 @@
+services:
+  app:
+    build: 
+      context: .
+      dockerfile: docker/Dockerfile.app
+    entrypoint: /bin/sleep infinity
+    working_dir: /usr/src/app
+    volumes:
+      - "./app/:/usr/src/app"
+      - "./.cache:/usr/src/cache"
+      - "./docker/bob-s-home:/home/bob"
+    environment:
+      - TERM=xterm-256color
+      - TZ=Europe/Rome
+      - MAVEN_OPTS=-Duser.home=/usr/src/cache/

docker/Dockerfile.app

@@ -0,0 +1,47 @@
+FROM debian:bookworm-slim as build
+
+RUN apt-get update && \
+    apt-get install -y git unzip zip curl build-essential zlib1g-dev && \
+    rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
+
+RUN cd /opt && \
+    curl -L https://download.oracle.com/graalvm/21/latest/graalvm-jdk-21_linux-x64_bin.tar.gz \
+      --output graalvm-jdk-21_linux-x64_bin.tar.gz && \
+    mkdir /opt/graalvm && \
+    tar xf graalvm-jdk-21_linux-x64_bin.tar.gz -C graalvm --strip-components 1&& \
+    rm -f graalvm-jdk-21_linux-x64_bin.tar.gz
+
+ARG MAVEN_VERSION=3.9.6
+
+RUN cd /opt && \
+    curl -L https://downloads.apache.org/maven/maven-3/${MAVEN_VERSION}/binaries/apache-maven-${MAVEN_VERSION}-bin.tar.gz \
+      --output apache-maven-${MAVEN_VERSION}-bin.tar.gz && \
+    mkdir /opt/maven && \
+    tar xf apache-maven-${MAVEN_VERSION}-bin.tar.gz -C maven --strip-components 1 && \
+    rm -f apache-maven-${MAVEN_VERSION}-bin.tar.gz
+
+ARG MN_VERSION=4.3.7
+
+RUN cd /opt && \
+    curl -L https://github.com/micronaut-projects/micronaut-starter/releases/download/v${MN_VERSION}/micronaut-cli-${MN_VERSION}.zip \
+        --output micronaut-cli-${MN_VERSION}.zip && \
+    unzip micronaut-cli-${MN_VERSION}.zip && \
+    rm micronaut-cli-${MN_VERSION}.zip && \
+    mv micronaut-cli-${MN_VERSION} micronaut
+
+ENV PATH="${PATH}:/opt/graalvm/bin:/opt/maven/bin:/opt/micronaut/bin"
+ENV JAVA_HOME="/opt/graalvm"
+
+ARG FIX_UID
+ARG FIX_GID
+
+ARG DOCKER_USER=bob
+ARG DOCKER_GROUP=bob
+
+RUN addgroup --gid 1000 bob && \
+    adduser --ingroup bob --uid 1000 --disabled-password bob 
+
+ADD docker/fix-perm.sh /fix-perm.sh
+RUN chmod +x /fix-perm.sh && /fix-perm.sh
+
+USER bob

docker/Dockerfile.dist

@@ -0,0 +1,6 @@
+FROM marvin:build as build
+
+COPY --chown=bob app /app
+WORKDIR /app
+
+RUN mvn --no-transfer-progress clean package

docker/bob-s-home/.bashrc

@@ -0,0 +1,6 @@
+
+PS1='\[\033[01;32m\][\[\033[01;32;4m\]marvin-app@docker\[\033[00m\]\[\033[01;32m\]]\[\033[00m\]:\[\033[01;33m\]\w\[\033[00m\]\$ \[\033[00m\]'
+
+alias ls="ls --color"
+alias mvn="mvn --no-transfer-progress"
+

docker/fix-perm.sh

@@ -0,0 +1,42 @@
+#!/usr/bin/env bash
+
+DOCKER_USER_UID=`id -u ${DOCKER_USER}`
+DOCKER_GROUP_GID=`id -g ${DOCKER_GROUP}`
+
+echo "user: ${DOCKER_USER} userId: ${DOCKER_USER_UID} fixId: ${FIX_UID}"
+
+if [[ ! -z "$FIX_UID" ]] && [[ "$FIX_UID" != "$DOCKER_USER_UID" ]]; then
+    echo "Fixing UID permissions"
+
+    # Check if $FIX_UID already exists in container
+    PREV_USER=`getent passwd $FIX_UID | cut -d: -f1`
+    if [ ! -z "$PREV_USER" ]; then
+        # Move data from FIX_UID to 888
+        find / -user ${FIX_UID} -exec chown -h 888 {} \; 2>/dev/null
+        usermod -u 888 $PREV_USER
+    fi
+
+    find / -user ${DOCKER_USER_UID} -exec chown -h ${FIX_UID} {} \; 2>/dev/null
+    usermod -u ${FIX_UID} ${DOCKER_USER}
+else
+    echo "UID permissions are ok"
+fi
+
+if [[ ! -z "$FIX_GID" ]] && [[ "$FIX_GID" != "$DOCKER_GROUP_GID" ]]; then
+    echo "Fixing GID permissions"
+
+    # Check if $FIX_GID already exists in container
+    PREV_GROUP=`getent group $FIX_GID | cut -d: -f1`
+    if [ ! -z "$PREV_GROUP" ]; then
+        # Move data from FIX_GID to 888
+        find / -group ${FIX_GID} -exec chgrp -h 888 {} \; 2>/dev/null
+        groupmod -g 888 $PREV_GROUP
+    fi
+
+    find / -group ${DOCKER_GROUP_GID} -exec chgrp -h ${FIX_GID} {} \; 2>/dev/null
+    groupmod -g ${FIX_GID} ${DOCKER_GROUP}
+else
+    echo "GID permissions are ok"
+fi
+
+exec "$@"

go-in.sh

@@ -0,0 +1,12 @@
+#!/bin/bash 
+
+set -ex
+
+# Build docker containers
+docker compose build --pull --build-arg FIX_UID="$(id -u)" --build-arg FIX_GID="$(id -g)"
+
+# Start docker environment
+docker compose up -d
+
+# Login to docker container
+docker compose exec app bash