diff --git a/docker/postgres.Dockerfile b/docker/postgres.Dockerfile
index 4caffc2..b2075fc 100644
--- a/docker/postgres.Dockerfile
+++ b/docker/postgres.Dockerfile
@@ -1,3 +1,4 @@
 FROM postgres:16
 
-COPY ./docker/initdb.d/ /docker-entrypoint-initdb.d/
\ No newline at end of file
+COPY ./docker/initdb.d/ /docker-entrypoint-initdb.d/
+# COPY ./docker/postgres.conf /var/lib/postgresql/data/postgresql.conf
diff --git a/docker/postgres.conf b/docker/postgres.conf
new file mode 100644
index 0000000..e69de29
diff --git a/src/lib/server/database/init_db.ts b/src/lib/server/database/init_db.ts
index 6b60287..5c97029 100644
--- a/src/lib/server/database/init_db.ts
+++ b/src/lib/server/database/init_db.ts
@@ -10,7 +10,8 @@ export default async function init() {
     {
       name: 'article',
       columns: [
-        { name: 'id', type: 'serial', constraint: 'primary key' },
+        { name: 'seq', type: 'serial', constraint: 'primary key' },
+        { name: 'id', type: 'text', constraint: 'not null' },
         { name: 'title', type: 'text', constraint: 'not null' },
         { name: 'released_at', type: 'timestamp', constraint: 'not null' },
         { name: 'updated_at', type: 'timestamp', constraint: 'not null' },
@@ -18,13 +19,53 @@ export default async function init() {
         { name: 'content', type: 'text', constraint: 'not null' },
       ],
     },
+    {
+      name: 'article_comment',
+      columns: [
+        { name: 'id', type: 'serial', constraint: 'primary key' },
+        { name: 'article', type: 'integer', constraint: 'not null' },
+        { name: 'posted_at', type: 'timestamp', constraint: 'not null' },
+        { name: 'content', type: 'text', constraint: 'not null' },
+      ],
+    },
+    {
+      name: 'thread',
+      columns: [
+        { name: 'seq', type: 'serial', constraint: 'primary key' },
+        { name: 'id', type: 'text', constraint: 'not null' },
+        { name: 'title', type: 'text', constraint: 'not null' },
+        { name: 'created_at', type: 'timestamp', constraint: 'not null' },
+        { name: 'updated_at', type: 'timestamp', constraint: 'not null' },
+        { name: 'tags', type: 'text[]', constraint: 'not null' },
+        { name: 'content', type: 'text', constraint: 'not null' },
+      ],
+    },
+    {
+      name: 'thread_post',
+      columns: [
+        { name: 'seq', type: 'serial', constraint: 'primary key' },
+        { name: 'thread_id', type: 'integer', constraint: 'not null' },
+        { name: 'title', type: 'text', constraint: 'not null' },
+        { name: 'posted_at', type: 'timestamp', constraint: 'not null' },
+        { name: 'content', type: 'text', constraint: 'not null' },
+      ],
+    },
+    {
+      name: 'thread_comment',
+      columns: [
+        { name: 'id', type: 'serial', constraint: 'primary key' },
+        { name: 'thread', type: 'integer', constraint: 'not null' },
+        { name: 'posted_at', type: 'timestamp', constraint: 'not null' },
+        { name: 'content', type: 'text', constraint: 'not null' },
+      ],
+    }
   ];
   const db = await PG();
   try {
     await db.begin();
     for (const schema of schemas) {
       const res = await db.query(`select * from information_schema.tables where table_name = '${schema.name}'`)
-      if (res.rowCount === null) {
+      if (res.rowCount == 0) {
         console.log(`Creating table ${schema.name}`);
         const columnStr = schema.columns.map(c => `${c.name} ${c.type} ${c.constraint}`).join(', ');
         await db.query(`create table ${schema.name} (${columnStr})`);