karavan-app/src/main/docker/Dockerfile.multistage

# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements.  See the NOTICE file distributed with
#  this work for additional information regarding copyright ownership.
#  The ASF licenses this file to You under the Apache License, Version 2.0
#  (the "License"); you may not use this file except in compliance with
#  the License.  You may obtain a copy of the License at
#
#         http://www.apache.org/licenses/LICENSE-2.0
#
#  Unless required by applicable law or agreed to in writing, software
#  distributed under the License is distributed on an "AS IS" BASIS,
#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
#  See the License for the specific language governing permissions and
#  limitations under the License.

## Stage 1 : build with maven builder image with native capabilities
FROM quay.io/quarkus/ubi-quarkus-native-image:21.3.0-java11 AS build-gen

## rsync required for npm to build frontend
USER root
RUN microdnf install rsync

## Copy code
COPY --chown=quarkus:quarkus karavan-generator/mvnw /code/mvnw
COPY --chown=quarkus:quarkus karavan-generator/.mvn /code/.mvn
COPY --chown=quarkus:quarkus karavan-generator/ /code/karavan-generator/
COPY --chown=quarkus:quarkus karavan-core/ /code/karavan-core/
COPY --chown=quarkus:quarkus karavan-app/ /code/karavan-app/
COPY --chown=quarkus:quarkus karavan-designer/ /code/karavan-designer/
# Required as output for KameletGenerator:
COPY --chown=quarkus:quarkus karavan-vscode/ /code/karavan-vscode/

USER quarkus
WORKDIR /code

# Generate Camel definitions
RUN ./mvnw clean compile exec:java -Dexec.mainClass="org.apache.camel.karavan.generator.KaravanGenerator" -f karavan-generator

## Stage 2 : build karavan-core
FROM node:16-alpine AS build-node
# Root user as we will not be running this image anyway
USER root
WORKDIR /code/karavan-core

COPY --chown=root karavan-core/tsconfig.json /code/karavan-core/
COPY --chown=root karavan-core/package.json /code/karavan-core/
COPY --chown=root karavan-core/package-lock.json /code/karavan-core/
RUN npm install --ignore-scripts

COPY --chown=root --from=build-gen /code/karavan-core/ /code/karavan-core/
RUN npm run build

## Stage 3 : build karavan-app
FROM build-gen as build-app
COPY --chown=quarkus:quarkus --from=build-node /code/karavan-core/lib/ /code/karavan-core/lib/
COPY --chown=quarkus:quarkus --from=build-node /code/karavan-core/node_modules/ /code/karavan-core/node_modules/
RUN ./mvnw clean package -Pnative -f karavan-app

## Stage 4 : create the docker final image
FROM quay.io/quarkus/quarkus-distroless-image:1.0
COPY --chown=nonroot --from=build-app /code/karavan-app/target/*-runner /deployments/application

EXPOSE 8080
USER nonroot
WORKDIR /deployments
CMD ["./application", "-Dquarkus.http.host=0.0.0.0"]