現状

Nuxt.js、WP REST API、Netlifyで静的サイトを制作しています。

ローカルでは、APIの取得、テンプレートへの反映が全てできています。
netlifyでもデプロイが成功しているのですが、
実際のサイトをひらくと、WP REST APIから取得した画像のURLが無効になっており、エラーが出てしまいます。

原因は何と考えられ、どの部分を確認、修正するのが良いのでしょうか？

インターネットで検索しても、有効な解決策が見当たらないためこちらで質問させていただきました。
deployのログは以下のとおりです。

netlify
12:18:19 PM: Build ready to start
22:18:21 PM: build-image version: 6c366b9e0cc38bb3f3a40b7951f398b33cac286d
32:18:21 PM: build-image tag: v3.8.1
42:18:21 PM: buildbot version: 0f3de3d7bd3ff5c1abfa729740350905f7c3f3e8
52:18:21 PM: Fetching cached dependencies
62:18:21 PM: Starting to download cache of 405.5MB
72:18:29 PM: Finished downloading cache in 8.609321123s
82:18:29 PM: Starting to extract cache
92:18:36 PM: Finished extracting cache in 6.91612449s
102:18:37 PM: Finished fetching cache in 15.636953154s
112:18:37 PM: Starting to prepare the repo for build
122:18:37 PM: Preparing Git Reference refs/heads/main
132:18:38 PM: Parsing package.json dependencies
142:18:39 PM: Starting build script
152:18:39 PM: Installing dependencies
162:18:39 PM: Python version set to 2.7
172:18:40 PM: Started restoring cached node version
182:18:42 PM: Finished restoring cached node version
192:18:43 PM: v12.18.0 is already installed.
202:18:44 PM: Now using node v12.18.0 (npm v6.14.4)
212:18:44 PM: Started restoring cached build plugins
222:18:44 PM: Finished restoring cached build plugins
232:18:44 PM: Attempting ruby version 2.7.2, read from environment
242:18:45 PM: Using ruby version 2.7.2
252:18:45 PM: Using PHP version 5.6
262:18:45 PM: Started restoring cached node modules
272:18:45 PM: Finished restoring cached node modules
282:18:46 PM: Installing NPM modules using NPM version 6.14.4
292:18:57 PM: npm WARN read-shrinkwrap This version of npm is compatible with lockfileVersion@1, but package-lock.json was generated for lockfileVersion@2. I'll try to do my best with it!npm WARN optional SKIPPING OPTIONAL DEPENDENCY: fsevents@2.3.2 (node_modules/fsevents):
302:18:57 PM: npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for fsevents@2.3.2: wanted {"os":"darwin","arch":"any"} (current: {"os":"linux","arch":"x64"})
312:18:57 PM: npm WARN optional SKIPPING OPTIONAL DEPENDENCY: fsevents@1.2.13 (node_modules/watchpack-chokidar2/node_modules/fsevents):
322:18:57 PM: npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for fsevents@1.2.13: wanted {"os":"darwin","arch":"any"} (current: {"os":"linux","arch":"x64"})
332:18:57 PM: added 24 packages from 37 contributors and audited 1532 packages in 10.154s
342:18:58 PM: 101 packages are looking for funding
352:18:58 PM:   run `npm fund` for details
362:18:58 PM: found 2 moderate severity vulnerabilities
372:18:58 PM:   run `npm audit fix` to fix them, or `npm audit` for details
382:18:58 PM: NPM modules installed
392:18:58 PM: Started restoring cached go cache
402:18:58 PM: Finished restoring cached go cache
412:18:58 PM: go version go1.14.4 linux/amd64
422:18:58 PM: go version go1.14.4 linux/amd64
432:18:58 PM: Installing missing commands
442:18:58 PM: Verify run directory
452:18:59 PM: 
462:18:59 PM: ────────────────────────────────────────────────────────────────
472:18:59 PM:   Netlify Build                                                 
482:18:59 PM: ────────────────────────────────────────────────────────────────
492:18:59 PM: 
502:18:59 PM: ❯ Version
512:18:59 PM:   @netlify/build 16.0.0
522:18:59 PM: 
532:18:59 PM: ❯ Flags
542:18:59 PM:   deployId: 60f7ae1b131eca0007384638
552:18:59 PM: 
562:18:59 PM: ❯ Current directory
572:18:59 PM:   /opt/build/repo
582:18:59 PM: 
592:18:59 PM: ❯ Config file
602:18:59 PM:   No config file was defined: using default values.
612:18:59 PM: 
622:18:59 PM: ❯ Context
632:18:59 PM:   production
642:18:59 PM: 
652:18:59 PM: ────────────────────────────────────────────────────────────────
662:18:59 PM:   1. Build command from Netlify app                             
672:18:59 PM: ────────────────────────────────────────────────────────────────
682:18:59 PM: 
692:18:59 PM: $ nuxt generate
702:19:35 PM: 
712:19:35 PM: (build.command completed in 35.8s)
722:19:35 PM: 
732:19:35 PM: ────────────────────────────────────────────────────────────────
742:19:35 PM:   2. Deploy site                                                
752:19:35 PM: ────────────────────────────────────────────────────────────────
762:19:35 PM: 
772:19:35 PM: Starting to deploy site from 'dist'
782:19:35 PM: Creating deploy tree 
792:19:35 PM: Creating deploy upload records
802:19:35 PM: 110 new files to upload
812:19:35 PM: 0 new functions to upload
822:19:38 PM: Site deploy was successfully initiated
832:19:38 PM: 
842:19:38 PM: (Deploy site completed in 3.2s)
852:19:38 PM: 
862:19:38 PM: ────────────────────────────────────────────────────────────────
872:19:38 PM:   Netlify Build Complete                                        
882:19:38 PM: ────────────────────────────────────────────────────────────────
892:19:38 PM: 
902:19:38 PM: (Netlify Build completed in 39.1s)
912:19:38 PM: Caching artifacts
922:19:38 PM: Started saving node modules
932:19:38 PM: Finished saving node modules
942:19:38 PM: Started saving build plugins
952:19:38 PM: Finished saving build plugins
962:19:38 PM: Started saving pip cache
972:19:38 PM: Starting post processing
982:19:38 PM: Finished saving pip cache
992:19:38 PM: Started saving emacs cask dependencies
1002:19:38 PM: Post processing - HTML
1012:19:38 PM: Finished saving emacs cask dependencies
1022:19:38 PM: Started saving maven dependencies
1032:19:38 PM: Finished saving maven dependencies
1042:19:38 PM: Started saving boot dependencies
1052:19:38 PM: Finished saving boot dependencies
1062:19:38 PM: Started saving rust rustup cache
1072:19:38 PM: Finished saving rust rustup cache
1082:19:38 PM: Started saving go dependencies
1092:19:38 PM: Finished saving go dependencies
1102:19:38 PM: Build script success
1112:19:38 PM: Processing form - contact
1122:19:38 PM: Detected form fields:
1132:19:38 PM:  - name
1142:19:38 PM:  - postal-code
1152:19:38 PM:  - address
1162:19:38 PM:  - tel
1172:19:39 PM:  - email
1182:19:39 PM:  - title
1192:19:39 PM:  - message
1202:19:41 PM: Post processing - header rules
1212:19:41 PM: Post processing - redirect rules
1222:19:41 PM: Post processing done
1232:19:41 PM: Site is live ✨
1242:20:18 PM: Finished processing build request in 1m57.588566707s

nuxt.config.jsonの中は以下のとおりです。

nuxt.config.json
1import axios from 'axios';
2require('dotenv').config()
3const {API_URL, SITE_URL} = process.env
4export default {
5  target: 'static',
6  // Global page headers: https://go.nuxtjs.dev/config-head
7  head: {
8    title: 'cheri',
9    htmlAttrs: {
10      lang: 'ja'
11    },
12    script: [],
13    meta: [
14      { charset: 'utf-8' },
15      { name: 'viewport', content: 'width=device-width, initial-scale=1' },
16      { hid: 'description', name: 'description', content: '' },
17      { name: 'format-detection', content: 'telephone=no' }
18    ],
19    link: [
20      { rel: 'icon', type: 'image/x-icon', href: '/favicon.ico' }
21    ],
22  },
23
24  // Global CSS: https://go.nuxtjs.dev/config-css
25  css: [
26    'destyle.css'
27  ],
28
29  // Plugins to run before rendering page: https://go.nuxtjs.dev/config-plugins
30  plugins: [
31    '~/plugins/adobe-fonts',
32    '~/plugins/vue-scrollto',
33    '~/plugins/axios.js'
34  ],
35
36  // Auto import components: https://go.nuxtjs.dev/config-components
37  components: true,
38
39  // Modules for dev and build (recommended): https://go.nuxtjs.dev/config-modules
40  buildModules: [
41    '@nuxtjs/style-resources'
42  ],
43
44  styleResources: {
45    scss: [
46      '@/assets/styles/vars/*.scss',
47      '@/assets/styles/abstracts/_mixin.scss',
48      '@/assets/styles/_common.scss'
49    ]
50  },
51  env: {API_URL, SITE_URL},
52
53  // Modules: https://go.nuxtjs.dev/config-modules
54  modules: [
55    '@nuxtjs/axios',
56    '@nuxtjs/dotenv'
57  ],
58
59  // Build Configuration: https://go.nuxtjs.dev/config-build
60  build: {
61    postcss: {
62      preset: {
63        autoprefixer: {grid: 'autoplace'}
64      }
65    },
66    cache: true,
67    hardSource: true,
68  },
69
70  generate: {
71    fallback: true,
72    interval: 100,
73    routes(callback){
74      Promise.all([
75        axios.get('http://cheri-model.com/wp-json/wp/v2/models?_embed'),
76        axios.get('http://cheri-model.com/wp-json/wp/v2/posts'),
77      ])
78      .then(axios.spread((models, newsPosts) => {
79        // モデル詳細ページ
80        const route_model = models.data.map((model) => {
81          return {
82            route: `/models/${model.id}`,
83            payload : {
84              models: models.data,
85              currentModel: model,
86            }
87          }
88        })
89        // ニュース詳細ページ
90        const route_newsPosts = newsPosts.data.map((newsPost) => {
91          return {
92            route: `/news/${newsPost.id}`,
93            payload: {
94              newsPosts: newsPosts.data,
95              currentNewsPost: newsPost
96            }
97          }
98        })
99        //配列を結合してコールバック
100        callback(null, route_model.concat(route_newsPosts))
101      }))
102    }
103  }
104}
105