Added docker build and quick-start

.dockerignore

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+# Include any files or directories that you don't want to be copied to your
+# container here (e.g., local build artifacts, temporary files, etc.).
+#
+# For more help, visit the .dockerignore file reference guide at
+# https://docs.docker.com/go/build-context-dockerignore/
+
+**/.DS_Store
+**/.classpath
+**/.dockerignore
+**/.env
+**/.factorypath
+**/.git
+**/.gitignore
+**/.idea
+**/.project
+**/.sts4-cache
+**/.settings
+**/.toolstarget
+**/.vs
+**/.vscode
+**/.next
+**/.cache
+**/*.dbmdl
+**/*.jfm
+**/charts
+**/docker-compose*
+**/compose.y*ml
+**/Dockerfile*
+**/secrets.dev.yaml
+**/values.dev.yaml
+**/vendor
+LICENSE
+README.md
+**/*.class
+**/*.iml
+**/*.ipr
+**/*.iws
+**/*.log
+**/.apt_generated
+**/.gradle
+**/.gradletasknamecache
+**/.nb-gradle
+**/.springBeans
+**/build
+**/dist
+**/gradle-app.setting
+**/nbbuild
+**/nbdist
+**/nbproject/private
+**/target
+*.ctxt
+.mtj.tmp
+.mvn/timing.properties
+buildNumber.properties
+dependency-reduced-pom.xml
+hs_err_pid*
+pom.xml.next
+pom.xml.releaseBackup
+pom.xml.tag
+pom.xml.versionsBackup
+release.properties
+replay_pid*
+.github/

Dockerfile

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+# syntax=docker/dockerfile:1.19.0
+# SPDX-License-Identifier: MPL-2.0
+# SPDX-FileCopyrightText: 2025 Mitch Gaffigan
+
+# Stages:
+# 1. Builder Stage: Compiles the application and resolves dependencies. Produces
+# JAR files that can be deployed.
+# 1a. Install dependencies
+# 1b. Build the application
+# 2. Runner Stage: Creates a lightweight image that runs the application using the JRE.
+
+FROM ubuntu:noble-20251013 AS builder
+WORKDIR /app
+# sdkman requires bash
+SHELL ["/bin/bash", "-c"]
+ARG ANT_BUILD_ARGS="-DdisableSigning=true"
+
+# Stage 1a: Install dependencies
+# Install necessary tools
+COPY .sdkmanrc .
+RUN apt-get update\
+ && apt-get install -y zip curl\
+ && curl -s "https://get.sdkman.io?ci=true" | bash \
+ && source "$HOME/.sdkman/bin/sdkman-init.sh" && sdk env install \
+ && rm -rf /var/lib/apt/lists/*
+
+# Stage 1b: Build the application
+# Copy the entire source tree (excluding .dockerignore files), and build
+COPY . .
+WORKDIR /app/server
+RUN source "$HOME/.sdkman/bin/sdkman-init.sh" \
+ && ANT_OPTS="-Dfile.encoding=UTF8" ant -f mirth-build.xml ${ANT_BUILD_ARGS}
+
+##########################################
+#
+# Ubuntu JDK Image
+#
+##########################################
+
+FROM eclipse-temurin:21.0.9_10-jdk-noble AS jdk-run
+
+RUN groupadd engine \
+ && usermod -l engine ubuntu \
+ && adduser engine engine \
+ && mkdir -p /opt/engine/appdata \
+ && chown -R engine:engine /opt/engine
+
+WORKDIR /opt/engine
+COPY --chown=engine:engine --from=builder \
+ --exclude=cli-lib \
+ --exclude=mirth-cli-launcher.jar \
+ --exclude=mccommand \
+ --exclude=manager-lib \
+ --exclude=mirth-manager-launcher.jar \
+ --exclude=mcmanager \
+ /app/server/setup ./
+
+VOLUME /opt/engine/appdata
+VOLUME /opt/engine/custom-extensions
+EXPOSE 8443
+
+USER engine
+ENTRYPOINT ["./configure-from-env"]
+CMD ["./oieserver"]
+
+##########################################
+#
+# Alpine JRE Image
+#
+##########################################
+
+FROM eclipse-temurin:21.0.9_10-jre-alpine AS jre-run
+
+# Alpine does not include bash by default, so we install it
+RUN apk add --no-cache bash
+# useradd and groupadd are not available in Alpine
+RUN addgroup -S engine \
+ && adduser -S -g engine engine \
+ && mkdir -p /opt/engine/appdata \
+ && chown -R engine:engine /opt/engine
+
+WORKDIR /opt/engine
+COPY --chown=engine:engine --from=builder \
+ --exclude=cli-lib \
+ --exclude=mirth-cli-launcher.jar \
+ --exclude=mccommand \
+ --exclude=manager-lib \
+ --exclude=mirth-manager-launcher.jar \
+ --exclude=mcmanager \
+ /app/server/setup ./
+
+VOLUME /opt/engine/appdata
+VOLUME /opt/engine/custom-extensions
+
+EXPOSE 8443
+
+USER engine
+ENTRYPOINT ["./configure-from-env"]
+CMD ["./oieserver"]