add postgresql docker

.gitignore

@@ -34,3 +34,5 @@ out/
 
 ### VS Code ###
 .vscode/
+/docker/.env
+/docker/*.secret

README.md

@@ -2,5 +2,6 @@ Event demo
 ==========
 
 Admin service URL:
- - http://dashboard.traefik.me/dashboard/
- - http://redis.traefik.me/
+ - [Traefik](http://pgadmin.traefik.me/)
+ - [Redis](http://pgadmin.traefik.me/)
+ - [pgAdmin](http://pgadmin.traefik.me/)

build.gradle.kts

@@ -52,6 +52,39 @@ tasks.test {
   dependsOn("composeUp")
 }
 
+tasks.register<Copy>("copyEnv") {
+  group = "docker"
+  description = "copy the default dotenv file"
+  from("/docker")
+  into("/docker")
+  rename {
+    println(it)
+    it.removeSuffix(".template")
+  }
+  include(".env.template")
+  eachFile {
+    if (File("docker/$name").exists()) {
+      exclude()
+    }
+  }
+  doLast {
+    val files =
+      listOf(
+        File("docker/pgadmin.secret"),
+        File("docker/postgresql.secret"),
+      )
+
+    files.forEach {
+      if (!it.exists()) {
+        it.writeText("")
+      }
+    }
+  }
+}
+tasks.composeUp {
+  dependsOn("copyEnv")
+}
+
 dependencies {
   implementation("io.ktor:ktor-server-core-jvm")
   implementation("io.ktor:ktor-server-auth-jvm")

docker/.env.template

@@ -0,0 +1,2 @@
+POSTGRES_USER=event-demo
+PGADMIN_DEFAULT_EMAIL=

docker/docker-compose.yaml

@@ -32,6 +32,44 @@ services:
       - "traefik.http.routers.redis.rule=Host(`redis.traefik.me`)"
       - "traefik.http.services.redis.loadbalancer.server.port=8001"
 
+  postgresql:
+    image: postgres:17.4
+    ports:
+      - "5432:5432"
+    environment:
+      POSTGRES_PASSWORD_FILE: /run/secrets/postgresql_password
+      POSTGRES_USER: event-demo
+    secrets:
+      - postgresql_password
+    healthcheck:
+      test: ["CMD-SHELL", "sh -c 'pg_isready -U event-demo'"]
+      interval: 1s
+      timeout: 5s
+      retries: 10
+    volumes:
+      - postgresql_data:/var/lib/postgresql/data
+
+  pgadmin:
+    image: dpage/pgadmin4
+    environment:
+      PGADMIN_DEFAULT_EMAIL: $PGADMIN_DEFAULT_EMAIL
+      PGADMIN_DEFAULT_PASSWORD_FILE: /run/secrets/pgadmin_password
+    secrets:
+      - pgadmin_password
+    volumes:
+      - pgadmin_data:/var/lib/pgadmin
+    labels:
+      - "traefik.http.routers.pgadmin.rule=Host(`pgadmin.traefik.me`)"
+      - "traefik.http.services.pgadmin.loadbalancer.server.port=80"
+
+secrets:
+  pgadmin_password:
+    file: pgadmin.secret
+  postgresql_password:
+    file: postgresql.secret
+
 volumes:
   redis_data:
   redisinsight_data:
+  postgresql_data:
+  pgadmin_data: