Docker compose for scala and postgres

.dockerignore

@@ -1,5 +1,4 @@
 # flyctl launch added from .gitignore
-**/src/main/resources/application.conf
 
 **/project/target
 **/project/project/target

Dockerfile.local

@@ -0,0 +1,29 @@
+# Use a base image with Java and Scala, including SBT
+FROM hseeberger/scala-sbt:17.0.2_1.6.2_2.13.8 as build
+
+# Set the working directory
+WORKDIR /app
+
+# Copy project files to the Docker image
+COPY . /app
+
+# Compile the application
+RUN sbt clean assembly
+
+# Use a smaller base image for the final image
+FROM amazoncorretto:17-alpine
+
+# Copy the compiled JAR from the build stage
+COPY --from=build /app/target/scala-2.13/WeatherTool-assembly-0.1.1-SNAPSHOT.jar /app.jar
+
+# Define the volume to persist data
+VOLUME /data
+
+# Command to run the application
+CMD ["java", "-jar", "/app.jar"]
+
+
+
+
+# docker build -t scala-app .
+# docker run -v /local/data/path:/data scala-app

docker-compose.yml

@@ -0,0 +1,23 @@
+version: '3'
+services:
+  postgres:
+    image: postgres:latest
+    ports:
+      - "5432:5432"
+    environment:
+      POSTGRES_DB: weather-tool
+      POSTGRES_USER: postgres
+      POSTGRES_PASSWORD: mysecretpassword
+    volumes:
+      - /var/lib/postgresql/data:/var/lib/postgresql/data
+
+  scala-app:
+    build:
+      context: .
+      dockerfile: Dockerfile.local
+    volumes:
+      - $PWD:/app
+    ports:
+      - "8080:8080"
+    depends_on:
+      - postgres

src/main/scala/db/DBConnection.scala

@@ -13,7 +13,7 @@ case class PostgresConfig(url: String, username: String, password: String)
 
 object DBConnection {
   private def getDatabaseUrl: String =
-    sys.env.getOrElse("DATABASE_URL", "postgres://postgres:mysecretpassword@localhost:5432/weather-tool")
+    sys.env.getOrElse("DATABASE_URL", "postgres://postgres:mysecretpassword@postgres:5432/weather-tool")
 
   private def parseUrl(url: String): Either[String, PostgresConfig] = {
     Try {