Merge branch 'master' into blog/meet-the-maintainer-aabid-sofi

Author: Siddhi-sahu

.env.development

@@ -1 +1,4 @@
 GATSBY_GRAPHQL_IDE=playground
+# Reduce concurrency to lower memory use during develop
+GATSBY_CPU_COUNT=2
+SHARP_CONCURRENCY=2

.node-options

@@ -0,0 +1 @@
+node --max-old-space-size=8192

gatsby-config.js

@@ -135,7 +135,6 @@ module.exports = {
   ) {
     nodes {
       body
-      html
       frontmatter {
         title
         author
@@ -182,7 +181,6 @@ module.exports = {
   ) {
     nodes {
       body
-      html
       frontmatter {
         title
         author
@@ -228,7 +226,6 @@ module.exports = {
   ) {
     nodes {
       body
-      html
       frontmatter {
         title
         author
@@ -277,7 +274,6 @@ module.exports = {
   ) {
     nodes {
       body
-      html
       frontmatter {
         title
         author
@@ -337,7 +333,6 @@ module.exports = {
   ) {
     nodes {
       body
-      html
       frontmatter {
         title
         author
@@ -388,7 +383,6 @@ module.exports = {
   ) {
     nodes {
       body
-      html
       frontmatter {
         title
         author
@@ -435,7 +429,6 @@ module.exports = {
   ) {
     nodes {
       body
-      html
       frontmatter {
         title
         author
@@ -474,10 +467,6 @@ module.exports = {
       resolve: "gatsby-plugin-mdx",
       options: {
         extensions: [".mdx", ".md"],
-        mdxOptions: {
-          remarkPlugins: [],
-          rehypePlugins: [],
-        },
         gatsbyRemarkPlugins: [],
       },
     },

gatsby-node.js

@@ -1069,8 +1069,10 @@ exports.onCreateWebpackConfig = ({ actions, stage, getConfig }) => {
     },
   });
 
-  if (stage === "build-javascript") {
+  // Reduce memory pressure by disabling sourcemaps in dev and build
+  if (stage === "develop" || stage === "develop-html" || stage === "build-javascript" || stage === "build-html") {
     const config = getConfig();
+    config.devtool = false;
     const miniCssExtractPlugin = config.plugins.find(
       (plugin) => plugin.constructor.name === "MiniCssExtractPlugin"
     );