ci: Add new monolith module

Includes a small refactoring of the Dockerfile to make the build
easier to read.
Use the new monolith in the local Docker Compose setup.

.dockerignore

@@ -7,6 +7,8 @@
 !migration/pom.xml
 !web/src/
 !web/pom.xml
+!monolith/src/
+!monolith/pom.xml
 !pom.xml
 !ui/
 ui/node_modules

.woodpecker/java.yml

@@ -4,6 +4,7 @@ matrix:
     - bot
     - web
     - migration
+    - monolith
 
 variables:
   - &image 'docker.io/maven:3.9-eclipse-temurin-21'

.woodpecker/oci-image-build.yml

@@ -4,6 +4,7 @@ matrix:
     - web
     - migration
     - ui
+    - monolith
   PLATFORM:
 #    - linux/amd64
     - linux/arm64

Dockerfile

@@ -5,63 +5,33 @@ ARG MAVEN_CLI_OPTS="--batch-mode --no-transfer-progress -Dmaven.test.skip"
 # Copy all project files
 FROM docker.io/maven:3.9-eclipse-temurin-21 AS setup
 WORKDIR /app
-# Copy the dependency specifications
-COPY pom.xml .
-COPY db/pom.xml db/
-COPY bot/pom.xml bot/
-COPY migration/pom.xml migration/
-COPY web/pom.xml web/
-# Resolve dependencies for shared libraries
+COPY . .
 RUN --mount=type=cache,target=/root/.m2/ \
-    mvn ${MAVEN_CLI_OPTS} -pl db -am dependency:go-offline
-# Install the shared libraries in the local Maven repo (`.m2`)
-# This will also install the `root` module.
+    mvn ${MAVEN_CLI_OPTS} package
 
-# Build db dependency
-FROM setup AS db-build
-COPY db db
-RUN --mount=type=cache,target=/root/.m2/ \
-    mvn ${MAVEN_CLI_OPTS} -pl db -am install
-# Resolve dependencies for modules without dependencies to each other
-RUN --mount=type=cache,target=/root/.m2/ \
-    mvn ${MAVEN_CLI_OPTS} dependency:go-offline
-
-# Build modules
-FROM db-build AS web-build
-COPY web web
-RUN --mount=type=cache,target=/root/.m2/ \
-    --mount=type=cache,target=/app/web/src/ui/dist/ \
-    --mount=type=cache,target=/app/web/src/ui/node/ \
-    --mount=type=cache,target=/app/web/src/ui/node_modules/ \
-    mvn ${MAVEN_CLI_OPTS} -pl web package
-
-FROM db-build AS bot-build
-COPY bot bot
-RUN --mount=type=cache,target=/root/.m2/ \
-    mvn ${MAVEN_CLI_OPTS} -pl bot package
-
-FROM db-build AS migration-build
-COPY migration migration
-RUN --mount=type=cache,target=/root/.m2/ \
-    mvn ${MAVEN_CLI_OPTS} -pl migration package
+# Create final monolith
+FROM docker.io/eclipse-temurin:21-jdk-jammy AS monolith
+WORKDIR /app
+COPY --from=setup /app/monolith/target/monolith-*-fat.jar /app/monolith.jar
+CMD ["java", "-jar", "/app/monolith.jar"]
 
 # Create final web
 FROM docker.io/eclipse-temurin:21-jdk-jammy AS web
 WORKDIR /app
-COPY --from=web-build /app/web/target/web-*-fat.jar /app/web.jar
+COPY --from=setup /app/web/target/web-*-fat.jar /app/web.jar
 EXPOSE 8080
 CMD ["java", "-jar", "/app/web.jar"]
 
 # Create final migration
 FROM docker.io/eclipse-temurin:21-jdk-jammy AS migration
 WORKDIR /app
-COPY --from=migration-build /app/migration/target/migration-*-fat.jar /app/migration.jar
+COPY --from=setup /app/migration/target/migration-*-fat.jar /app/migration.jar
 CMD ["java", "-jar", "/app/migration.jar"]
 
 # Create final bot
 FROM docker.io/eclipse-temurin:21-jdk-jammy AS bot
 WORKDIR /app
-COPY --from=bot-build /app/bot/target/bot-*-fat.jar /app/bot.jar
+COPY --from=setup /app/bot/target/bot-*-fat.jar /app/bot.jar
 CMD ["java", "-jar", "/app/bot.jar"]
 
 # Build the ui
@@ -86,7 +56,7 @@ RUN <<EOF cat > /etc/caddy/Caddyfile
 
 :8080 {
     route {
-        reverse_proxy /api/* web:8080
+        reverse_proxy /api/* monolith:8080
         reverse_proxy ui:80
     }
 }

docker-compose.yml

@@ -1,40 +1,24 @@
 version: "3"
 
 services:
-  bot:
-    image: git.hhhammer.de/hamburghammer/dchat/bot:latest
+  monolith:
+    image: git.hhhammer.de/hamburghammer/dchat/monolith:latest
     env_file:
       - .env
     build:
       dockerfile: Dockerfile
       context: .
-      target: bot
+      target: monolith
     restart: unless-stopped
-    networks:
-      - db
-    user: 1000:1000
-    depends_on:
-      - db
-      - migration
-
-  web:
-    image: git.hhhammer.de/hamburghammer/dchat/web:latest
-    env_file:
-      - .env
-    build:
-      dockerfile: Dockerfile
-      context: .
-      target: web
-    restart: unless-stopped
-    user: 1000:1000
-    depends_on:
-      - db
-      - migration
-    ports:
-      - 8080:8080
     networks:
       - db
       - web
+    ports:
+      - 8080:8080
+    user: 1000:1000
+    depends_on:
+      - db
+      - migration
 
   migration:
     image: git.hhhammer.de/hamburghammer/dchat/migration:latest
@@ -72,7 +56,7 @@ services:
     user: 1000:1000
     depends_on:
       - ui
-      - web
+      - monolith
     ports:
       - 8082:8080
     networks:

monolith/pom.xml

@@ -0,0 +1,65 @@
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>de.hhhammer.dchat</groupId>
+        <artifactId>dchat</artifactId>
+        <version>1.0-SNAPSHOT</version>
+    </parent>
+
+    <artifactId>monolith</artifactId>
+    <packaging>jar</packaging>
+    <name>monolith</name>
+
+    <dependencies>
+        <dependency>
+            <groupId>de.hhhammer.dchat</groupId>
+            <artifactId>bot</artifactId>
+            <version>1.0-SNAPSHOT</version>
+        </dependency>
+        <dependency>
+            <groupId>de.hhhammer.dchat</groupId>
+            <artifactId>web</artifactId>
+            <version>1.0-SNAPSHOT</version>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-shade-plugin</artifactId>
+                <configuration>
+                    <shadedArtifactAttached>true</shadedArtifactAttached>
+                    <shadedClassifierName>fat</shadedClassifierName>
+                    <transformers>
+                        <transformer
+                                implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
+                            <manifestEntries>
+                                <Main-Class>de.hhhammer.dchat.monolith.App</Main-Class>
+                            </manifestEntries>
+                        </transformer>
+                    </transformers>
+                    <filters>
+                        <filter>
+                            <artifact>*:*</artifact>
+                            <excludes>
+                                <exclude>META-INF/*.SF</exclude>
+                                <exclude>META-INF/*.DSA</exclude>
+                                <exclude>META-INF/*.RSA</exclude>
+                            </excludes>
+                        </filter>
+                    </filters>
+                </configuration>
+                <executions>
+                    <execution>
+                        <phase>package</phase>
+                        <goals>
+                            <goal>shade</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
+        </plugins>
+    </build>
+</project>

monolith/src/main/java/de/hhhammer/dchat/monolith/App.java

@@ -0,0 +1,75 @@
+package de.hhhammer.dchat.monolith;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.zaxxer.hikari.HikariConfig;
+import com.zaxxer.hikari.HikariDataSource;
+import de.hhhammer.dchat.bot.DiscordBot;
+import de.hhhammer.dchat.bot.openai.ChatGPTService;
+import de.hhhammer.dchat.db.PostgresServerDBService;
+import de.hhhammer.dchat.db.PostgresUserDBService;
+import de.hhhammer.dchat.web.AppConfig;
+import de.hhhammer.dchat.web.WebAPI;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.net.http.HttpClient;
+import java.util.Arrays;
+import java.util.List;
+import java.util.concurrent.Callable;
+import java.util.concurrent.Executors;
+
+public class App {
+    private static final Logger logger = LoggerFactory.getLogger(App.class);
+
+    public static void main(String[] args) {
+        final String discordApiKey = System.getenv("DISCORD_API_KEY");
+        if (discordApiKey == null) {
+            logger.error("Missing environment variables: DISCORD_API_KEY");
+            System.exit(1);
+        }
+        final String openaiApiKey = System.getenv("OPENAI_API_KEY");
+        if (openaiApiKey == null) {
+            logger.error("Missing environment variables: OPENAI_API_KEY");
+            System.exit(1);
+        }
+        final String postgresUser = System.getenv("POSTGRES_USER");
+        final String postgresPassword = System.getenv("POSTGRES_PASSWORD");
+        final String postgresUrl = System.getenv("POSTGRES_URL");
+        if (postgresUser == null || postgresPassword == null || postgresUrl == null) {
+            logger.error("Missing environment variables: POSTGRES_USER and/or POSTGRES_PASSWORD and/or POSTGRES_URL");
+            System.exit(1);
+        }
+        final String apiPortStr = System.getenv("API_PORT") != null ? System.getenv("API_PORT") : "8080";
+        final int apiPort = Integer.parseInt(apiPortStr);
+        final boolean debug = "true".equals(System.getenv("API_DEBUG"));
+
+        final var chatGPTService = new ChatGPTService(openaiApiKey, HttpClient.newHttpClient(), new ObjectMapper());
+
+        final var config = new HikariConfig();
+        config.setJdbcUrl(postgresUrl);
+        config.setUsername(postgresUser);
+        config.setPassword(postgresPassword);
+
+        try (final var ds = new HikariDataSource(config)) {
+            final var serverDBService = new PostgresServerDBService(ds);
+            final var userDBService = new PostgresUserDBService(ds);
+
+            final var discordBot = new DiscordBot(serverDBService, userDBService, chatGPTService, discordApiKey);
+            final var appConfig = new AppConfig(apiPort, debug);
+            final var webApi = new WebAPI(serverDBService, userDBService, appConfig);
+            run(discordBot, webApi);
+        } catch (InterruptedException e) {
+            logger.error("Application failed", e);
+        }
+    }
+
+    private static void run(Runnable... apps) throws InterruptedException {
+        List<Callable<Void>> callableApps = Arrays.stream(apps).sequential().map(runnable -> (Callable<Void>) () -> {
+            runnable.run();
+            return null;
+        }).toList();
+        try (var executorService = Executors.newFixedThreadPool(apps.length)) {
+            executorService.invokeAll(callableApps);
+        }
+    }
+}

pom.xml

@@ -176,5 +176,6 @@
         <module>db</module>
         <module>web</module>
         <module>migration</module>
+        <module>monolith</module>
     </modules>
 </project>