Add docker support

Signed-off-by: Rahul Rudragoudar <rr83019@gmail.com>

Dockerfile

@@ -0,0 +1,37 @@
+FROM alpine:latest AS base-builder
+ARG SBT_VERSION=1.3.13
+RUN apk add --no-cache bash
+ENV JAVA_HOME="/usr/lib/jvm/default-jvm/"
+RUN apk add openjdk11-jre
+ENV PATH=$PATH:${JAVA_HOME}/bin
+RUN \
+	wget -O sbt-$SBT_VERSION.tgz https://github.com/sbt/sbt/releases/download/v$SBT_VERSION/sbt-$SBT_VERSION.tgz && \
+  	tar -xzvf sbt-$SBT_VERSION.tgz && \
+  	rm sbt-$SBT_VERSION.tgz
+
+ENV PATH=$PATH:/sbt/bin/
+
+
+FROM base-builder AS builder
+WORKDIR /build
+COPY lib/ lib/
+COPY project/plugins.sbt project/
+COPY build.sbt .
+COPY src/ src/
+RUN sbt assembly
+
+
+FROM alpine:latest AS base-core
+ENV JAVA_HOME="/usr/lib/jvm/default-jvm/"
+RUN apk add openjdk11-jre
+ENV PATH=$PATH:${JAVA_HOME}/bin
+
+
+FROM base-core
+WORKDIR /lc-core
+COPY --from=builder /build/target/scala-2.13/LibreCaptcha.jar .
+RUN mkdir data/
+
+EXPOSE 8888
+
+CMD [ "java", "-jar", "LibreCaptcha.jar" ]

docker-compose.yml

@@ -0,0 +1,11 @@
+version: "3.8"
+
+services:
+  lc-core:
+    container_name: "libre-captcha"
+    build: ./
+    image: librecapthca/lc-core:latest
+    volumes: 
+      - "./docker-data:/lc-core/data"
+    ports: 
+      - "8888:8888"