fix: change note permission cause error

Signed-off-by: BoHong Li <raccoon@hackmd.io>

.dockerignore

+.git/
+node_modules/
+docs/
+test/
+.sequelizerc.example
+config.json.example
+public/build
+

deployments/Dockerfile

+FROM node:8.15.1-jessie AS BUILD
+# use multi-stage build to build frontend javascript
+WORKDIR /codimd
+
+COPY . ./
+
+RUN yarn install --non-interactive --pure-lockfile && \
+    yarn build
+
+# ----------------------------------------------------
+# Runtime Stage
+FROM node:8.15.1 AS RUNTIME
+
+# build for production
+ENV NODE_ENV production
+ENV PATH="/home/codimd/.npm-global/bin:${PATH}"
+
+# setup isolated user for more security
+ARG USER_NAME=codimd
+ARG UID=1500
+ARG GID=1500
+
+RUN set +x -ue && \
+    wget https://github.com/hackmdio/portchecker/releases/download/v1.0.1/portchecker-linux-amd64.tar.gz && \
+    tar xvf portchecker-linux-amd64.tar.gz -C /usr/local/bin && \
+    mv /usr/local/bin/portchecker-linux-amd64 /usr/local/bin/pcheck && \
+    # Add user and groupd
+    groupadd --gid $GID $USER_NAME && \
+    useradd --uid $UID --gid $USER_NAME --no-log-init --create-home $USER_NAME && \
+    # setup local npm global directory
+    mkdir /home/codimd/.npm-global && \
+    echo "prefix=/home/codimd/.npm-global/" > /home/codimd/.npmrc && \
+    # setup app dir
+    mkdir /codimd && \
+    # adjust permission
+    chown -R $USER_NAME:$USER_NAME /home/codimd
+
+# Copy build stage file to runtime
+COPY --from=BUILD /codimd /codimd
+RUN chown -R $USER_NAME:$USER_NAME /codimd
+
+# change running user name
+USER $USER_NAME
+# build project
+WORKDIR /codimd
+
+RUN set +x -ue && \
+    cliVer=$(cat package.json | grep sequelize-cli | awk '{print substr($1, 2, length($1) - 3)"@"substr($2, 2, length($2) - 3)}') && \
+    npm -g install "$cliVer" && \
+    yarn install --production --non-interactive --pure-lockfile && \
+    yarn cache clean
+
+VOLUME /codimd/public/uploads
+EXPOSE 3000
+
+ENTRYPOINT ["/codimd/docker-entrypoint.sh"]

deployments/dev-Dockerfile

+FROM node:8.15.1-jessie
+
+WORKDIR /codimd
+
+EXPOSE 3000
+
+VOLUME ['/codimd/node_modules']

deployments/dev-docker-compose.yml

+version: '3'
+services:
+  dev-database:
+    image: postgres:11.2
+    environment:
+      POSTGRES_USER: codimd
+      POSTGRES_PASSWORD: password
+      POSTGRES_DB: codimd
+  dev-codimd:
+    build:
+      dockerfile: ./deployments/dev-Dockerfile
+      context: ../
+    environment:
+      CMD_DB_URL: postgres://codimd:password@dev-database/codimd
+    volumes:
+      - ../:/codimd
+      - node_modules:/codimd/node_modules
+      - public_build:/codimd/public/build
+      - public_view_build:/codimd/public/views/build
+    ports:
+      - 3000:3000
+volumes:
+  node_modules:
+  public_build:
+  public_view_build:

deployments/docker-compose.yml

+version: '3'
+services:
+  database:
+    image: postgres:11.2
+    environment:
+      POSTGRES_USER: codimd
+      POSTGRES_PASSWORD: password
+      POSTGRES_DB: codimd
+  codimd:
+    build:
+      dockerfile: ./deployments/Dockerfile
+      context: ../
+    environment:
+      CMD_DB_URL: postgres://codimd:password@database/codimd
+    ports:
+      - 3000:3000

deployments/docker-entrypoint.sh

+#!/bin/bash
+
+set -euo pipefail
+
+pcheck -constr "$CMD_DB_URL"
+
+sequelize db:migrate
+
+node app.js

lib/realtimeClientConnection.js

@@ -82,7 +82,7 @@ class RealtimeClientConnection {
   }
 
   async changeNotePermission (newPermission) {
-    const changedRows = await models.Note.update({
+    const [changedRows] = await models.Note.update({
       permission: newPermission
     }, {
       where: {