Infra: Add local DiD build option

.dev/builder/Dockerfile

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+FROM ubuntu:latest
+
+RUN apt update && apt -y install \
+    maven \
+    openjdk-17-jdk
+
+RUN curl https://get.docker.com/ | bash -
+RUN curl https://get.pnpm.io/install.sh | bash -
+
+COPY . /build
+
+COPY .dev/builder/docker-entrypoint.sh /usr/local/bin/entrypoint.sh
+RUN chmod +x /usr/local/bin/entrypoint.sh
+
+WORKDIR /build
+
+ENTRYPOINT ["entrypoint.sh"]
+
+CMD mvn -DskipTests=true -Pprod clean package

.dev/builder/README.md

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+Run:
+```
+docker-compose up --renew-anon-volumes --build && docker-compose down
+```
+
+-----
+To debug run before:
+```
+#export BUILDKIT_PROGRESS=plain docker compose build
+```

.dev/builder/docker-compose.yml

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+version: '3.8'
+name: "kafbat_builder"
+
+services:
+
+  chonky-builder:
+    container_name: chonky-builder
+    build:
+      context: ../..
+      dockerfile: .dev/builder/Dockerfile
+    volumes:
+      - /var/run/docker.sock:/var/run/docker.sock
+      - ../..:/build
+      - node_modules:/build/frontend/node_modules/ # Do not alter this as node_modules might not be transferable between OS w/ different arch
+      - ${HOME}/.m2/repository:/root/.m2/repository # but it's not the case for maven (which also takes ten times longer to dl)
+    environment:
+      - DOCKER_HOST=unix:///var/run/docker.sock
+#    command: mvn -DskipTests=true -Pprod clean package # this is the default command, feel free to override if needed
+
+volumes:
+  node_modules:

.dev/builder/docker-entrypoint.sh

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+#!/bin/bash
+
+# The volume is mounted from the host but the contents are intact, need to clean
+find /build/frontend/node_modules -mindepth 1 -delete
+
+exec "$@"