create Docker Postgres

Dockerfile

@@ -0,0 +1,13 @@
+# syntax=docker/dockerfile:1
+
+# FROM eclipse-temurin:17-jdk-jammy
+
+# WORKDIR /spring-boot-jpa-postgresql
+
+# COPY .mvn/ .mvn
+# COPY mvnw pom.xml ./
+# RUN ./mvnw dependency:resolve
+
+# COPY src ./src
+
+# CMD ["./mvnw", "spring-boot:run"]

docker-compose.yml

@@ -0,0 +1,31 @@
+# A Docker Compose must always start with the version tag.
+# We use '3' because it's the last version.
+version: '3'
+
+# You should know that Docker Compose works with services.
+# 1 service = 1 container.
+# For example, a service, a server, a client, a database...
+# We use the keyword 'services' to start to create services.
+services:
+  # The name of our service is "database"
+  # but you can use the name of your choice.
+  # Note: This may change the commands you are going to use a little bit.
+  database:
+    # Official Postgres image from DockerHub (we use the last version)
+    image: 'postgres:latest'
+
+    # By default, a Postgres database is running on the 5432 port.
+    # If we want to access the database from our computer (outside the container),
+    # we must share the port with our computer's port.
+    # The syntax is [port we want on our machine]:[port we want to retrieve in the container]
+    # Note: You are free to change your computer's port,
+    # but take into consideration that it will change the way
+    # you are connecting to your database.
+    ports:
+      - 5432:5432
+
+    environment:
+      POSTGRES_USER: postgres # The PostgreSQL user (useful to connect to the database)
+      POSTGRES_PASSWORD: 123 # The PostgreSQL password (useful to connect to the database)
+      POSTGRES_DB: testdb # The PostgreSQL default database (automatically created at first launch)
+

src/main/resources/application.properties

@@ -6,4 +6,6 @@ spring.jpa.properties.hibernate.jdbc.lob.non_contextual_creation= true
 spring.jpa.properties.hibernate.dialect= org.hibernate.dialect.PostgreSQLDialect
 
 # Hibernate ddl auto (create, create-drop, validate, update)
-spring.jpa.hibernate.ddl-auto= update
+spring.jpa.hibernate.ddl-auto= update
+
+server.port=8080