Добавлен сборочный контейнер

build.gradle

@@ -8,7 +8,7 @@ apply plugin: 'io.spring.dependency-management'
 group = 'ru.serega6531'
 version = '1.0-SNAPSHOT'
 
-sourceCompatibility = JavaVersion.VERSION_14
+sourceCompatibility = JavaVersion.VERSION_14  // сменить на 15 после фикса https://github.com/rzwitserloot/lombok/issues/2579
 targetCompatibility = JavaVersion.VERSION_14
 
 configurations {
@@ -19,9 +19,6 @@ configurations {
 
 repositories {
     mavenCentral()
-
-    // удалить после выхода стабильной версии Java-WebSocket
-    maven { url "https://oss.sonatype.org/content/repositories/snapshots" }
 }
 
 dependencies {

docker/Dockerfile_app

@@ -1,20 +1,16 @@
-FROM openjdk:15-ea-jdk-alpine
+FROM node:current-alpine
+WORKDIR /tmp/build/
+COPY ./frontend/ .
+RUN npm install && npm run build
 
-RUN apk --no-cache add libpcap npm
-
-COPY ./ /app/
-
-WORKDIR /app/frontend/
-
-RUN npm install && npm run build && npm cache clean --force \
-    && mkdir -p ../src/main/resources/static/ \
-	&& mv ./dist/* ../src/main/resources/static/ \
-	&& rm -rf node_modules
-
-WORKDIR /app/
-
-RUN ./gradlew --no-daemon --no-build-cache build -x test \
-    && cp build/libs/packmate-*.jar app.jar \
-    && ./gradlew --no-daemon clean
+FROM adoptopenjdk/openjdk15:alpine
+WORKDIR /tmp/compile/
+COPY ./ .
+COPY --from=0 /tmp/build/dist/ ./src/main/resources/static/
+RUN ./gradlew --no-daemon build -x test
 
+FROM adoptopenjdk/openjdk15:alpine-jre
+WORKDIR /app
+RUN apk --no-cache add libpcap
+COPY --from=1 /tmp/compile/build/libs/packmate-*.jar app.jar
 EXPOSE 65000:65000

gradle/wrapper/gradle-wrapper.properties

@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-6.5-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.7-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists