Basic SQLite functionality; writing JSON into DB table

Dockerfile

@@ -1,2 +1,4 @@
 FROM node:0.12.4-onbuild
 EXPOSE 3000
+RUN mkdir /usr/src/app/db
+VOLUME ["/usr/src/app/db"]

package.json

@@ -3,7 +3,8 @@
     "version": "0.0.1",
     "dependencies": {
         "body-parser": "^1.12.4",
-        "express": "^4.12.4"
+        "express": "^4.12.4",
+        "sqlite3": "^3.0.8"
     },
     "scripts": { "start": "node server.js" }
 }

server.js

@@ -2,7 +2,25 @@ var express = require("express");
 var fs = require("fs");
 var bodyParser = require("body-parser");
 var app = express();
-var logfile = fs.createWriteStream('./log.log', {flags: 'a'});
+var logfile = fs.createWriteStream('./db/log.log', {flags: 'a'});
+
+
+var file = "./db/test.db";
+var exists = fs.existsSync(file);
+
+if(!exists) {
+    console.log("Creating DB file.");
+    fs.openSync(file, "w");
+}
+
+var sqlite3 = require("sqlite3").verbose();
+var db = new sqlite3.Database(file);
+
+db.serialize(function() {
+    if(!exists) {
+        db.run("CREATE TABLE Alerts (OrigJSON TEXT)");
+    }
+});
 
 app.use(bodyParser.json());
 
@@ -17,6 +35,10 @@ app.post('/', function(req, res){
     var source = req.body.source;
     console.log("Post event = "+postEvent+", source is "+source);
     console.log(req.body);
+
+    var stmt = db.prepare("INSERT INTO Alerts (OrigJSON) VALUES (?)");
+    stmt.run(JSON.stringify(req.body, null, 4));
+    stmt.finalize();
     //res.send(JSON.stringify(req.body, null, 4));
 });