bump node version to 18

.github/workflows/mjolnir.yml

@@ -17,10 +17,10 @@ jobs:
     steps:
     - uses: actions/checkout@v3
 
-    - name: Specifically use node 16 like in the readme. 
+    - name: Specifically use node 18 like in the readme.
       uses: actions/setup-node@v3
       with:
-        node-version: '16'
+        node-version: '18'
     - run: yarn install
     - run: yarn build
     - run: yarn lint
@@ -29,10 +29,10 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v3
-    - name: Specifically use node 16 like in the readme. 
+    - name: Specifically use node 18 like in the readme.
       uses: actions/setup-node@v3
       with:
-        node-version: '16'
+        node-version: '18'
     - run: yarn install
     - run: yarn test
   integration:
@@ -43,7 +43,7 @@ jobs:
     - uses: actions/checkout@v3
     - uses: actions/setup-node@v3
       with:
-        node-version: '16'
+        node-version: '18'
     - name: Fetch and build mx-tester (cached across runs)
       uses: baptiste0928/cargo-install@v1
       with:
@@ -65,7 +65,7 @@ jobs:
     - uses: actions/checkout@v3
     - uses: actions/setup-node@v3
       with:
-        node-version: '16'
+        node-version: '18'
     - name: Fetch and build mx-tester (cached across runs)
       uses: baptiste0928/cargo-install@v1
       with:

Dockerfile

@@ -1,5 +1,5 @@
 # We can't use alpine anymore because crypto has rust deps.
-FROM node:16-slim
+FROM node:18-slim
 COPY . /tmp/src
 RUN cd /tmp/src \
     && yarn install \

docs/setup_selfbuild.md

@@ -1,5 +1,5 @@
 These instructions are to build and run mjolnir without using [Docker](./setup_docker.md).
-To build mjolnir, you have to have installed [Node >=16](https://nodejs.org/en/download/), [npm](https://docs.npmjs.com/cli/v7/configuring-npm/install) and [yarn >1.x](https://classic.yarnpkg.com/en/docs/install).
+To build mjolnir, you have to have installed [Node >=18](https://nodejs.org/en/download/), [npm](https://docs.npmjs.com/cli/v7/configuring-npm/install) and [yarn >1.x](https://classic.yarnpkg.com/en/docs/install).
 
 Copy the latest release tag from https://github.com/matrix-org/mjolnir/releases/latest/ to use when cloning. For example `v1.6.1` - please check the link for the current version as this mentioned example might be outdated.
 

package.json

@@ -64,6 +64,6 @@
     "yaml": "^2.2.2"
   },
   "engines": {
-    "node": ">=16.0.0"
+    "node": ">=18.0.0"
   }
 }