Implement docker

Dockerfile

@@ -1,11 +1,13 @@
 FROM alpine:3.8
 
-RUN apk add --update --no-cache python3 && \
-	pip3 install flask requests && \
+ADD ["./requirements.txt", "/requirements.txt"]
+RUN apk add --update --no-cache python3 postgresql-dev py3-psycopg2 && \
+	pip3 install -r /requirements.txt && \
+	rm /requirements.txt && \
 	adduser -D app
-ADD ["ics_merger.py","/"]
+ADD ["src","/"]
 
-CMD ["python3", "-u", "/ics_merger.py"]
+CMD ["python3", "-u", "/main.py"]
 
-EXPOSE 8080
+EXPOSE 5000
 USER app

docker-compose.yml

@@ -1,8 +1,14 @@
 version: "3"
 
+networks:
+  db_net:
+    external: true
+
 services:
- ics_merger:
-  build: .
-  image: docker.wiai.de/fswiai/ics_merger:0.1
-  ports:
-   - 8080:8080
+  codimd_note_overview:
+    build: .
+    image: docker.wiai.de/fswiai/codimd_notes_overview:0.1
+    ports:
+    - 8080:5000
+    networks:
+    - db_net

main.py

@@ -1,27 +0,0 @@
-import psycopg2
-from flask import Flask, render_template
-
-app = Flask(__name__)
-app.debug = True
-
-sql_statement = 'SELECT "id","title","alias","shortid","viewcount","lastchangeAt" FROM "Notes" ORDER BY "lastchangeAt" DESC;'
-DB_HOST = '192.168.0.3'
-DB_Name = 'hackmd'
-DB_USER = 'hackmd'
-DB_PASSWORD = 'osHx34e4aDazGsER'
-CODI_URL = "https://hackmd.wiai.de"
-
-
-@app.route("/")
-def main():
-    conn = psycopg2.connect(host=DB_HOST, database=DB_Name, user=DB_USER, password=DB_PASSWORD)
-    cur = conn.cursor()
-    cur.execute(sql_statement)
-    notes = cur.fetchall()
-    cur.close()
-    conn.close()
-    return render_template('index.html', notes=notes, host=CODI_URL)
-
-
-if __name__ == '__main__':
-    app.run()

src/main.py

@@ -0,0 +1,26 @@
+import psycopg2
+import config
+from flask import Flask, render_template
+
+app = Flask(__name__)
+app.debug = True
+
+sql_statement = 'SELECT "id","title","alias","shortid","viewcount","lastchangeAt" FROM "Notes" ORDER BY "lastchangeAt" DESC;'
+
+
+@app.route("/")
+def main():
+    try:
+        conn = psycopg2.connect(host=config.DB_HOST, database=config.DB_Name, user=config.DB_USER, password=config.DB_PASSWORD)
+        cur = conn.cursor()
+        cur.execute(sql_statement)
+        notes = cur.fetchall()
+        cur.close()
+        conn.close()
+        return render_template('index.html', notes=notes, host=config.CODI_URL)
+    except Exception as e:
+        return render_template('index.html')
+
+
+if __name__ == '__main__':
+    app.run(host='0.0.0.0', port=5000)