diff --git a/.dockerignore b/.dockerignore
index e16333fb2..7cef84d94 100644
--- a/.dockerignore
+++ b/.dockerignore
@@ -1,5 +1,4 @@
 .autogen
-.git
 .github
 .travis
 .vscode
@@ -12,3 +11,4 @@ elasticsearch/
 node_modules/
 redis/
 files/
+misskey-assets/
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2454a3b60..2bf00b64e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,12 @@
 
 -->
 
+## 12.90.1 (2021/09/05)
+
+### Bugfixes
+- Dockerfileを修正
+- ノート翻訳時に公開範囲が考慮されていない問題を修正
+
 ## 12.90.0 (2021/09/04)
 
 ### Improvements
diff --git a/Dockerfile b/Dockerfile
index 8c655c4c4..58e3eda11 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,27 +4,17 @@ ENV NODE_ENV=production
 
 WORKDIR /misskey
 
+ENV BUILD_DEPS autoconf automake file g++ gcc libc-dev libtool make nasm pkgconfig python3 zlib-dev git
+
 FROM base AS builder
 
-RUN apk add --no-cache \
-    autoconf \
-    automake \
-    file \
-    g++ \
-    gcc \
-    libc-dev \
-    libtool \
-    make \
-    nasm \
-    pkgconfig \
-    python3 \
-    zlib-dev
-
-RUN git submodule update --init
-COPY package.json yarn.lock .yarnrc ./
-RUN yarn install
 COPY . ./
-RUN yarn build
+
+RUN apk add --no-cache $BUILD_DEPS && \
+    git submodule update --init && \
+    yarn install && \
+    yarn build && \
+    rm -rf .git
 
 FROM base AS runner
 
@@ -39,3 +29,4 @@ COPY --from=builder /misskey/built ./built
 COPY . ./
 
 CMD ["npm", "run", "migrateandstart"]
+
diff --git a/package.json b/package.json
index ebb4d9089..90914c76a 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
 	"name": "misskey",
 	"author": "syuilo <syuilotan@yahoo.co.jp>",
-	"version": "12.90.0",
+	"version": "12.90.1",
 	"codename": "indigo",
 	"repository": {
 		"type": "git",
diff --git a/src/models/repositories/note.ts b/src/models/repositories/note.ts
index a8e356abf..9e0f5e55f 100644
--- a/src/models/repositories/note.ts
+++ b/src/models/repositories/note.ts
@@ -18,7 +18,57 @@ export class NoteRepository extends Repository<Note> {
 		return x.trim().length <= 100;
 	}
 
+	public async isVisibleForMe(note: Note, meId: User['id'] | null): Promise<boolean> {
+		// visibility が specified かつ自分が指定されていなかったら非表示
+		if (note.visibility === 'specified') {
+			if (meId == null) {
+				return false;
+			} else if (meId === note.userId) {
+				return true;
+			} else {
+				// 指定されているかどうか
+				const specified = note.visibleUserIds.some((id: any) => meId === id);
+
+				if (specified) {
+					return true;
+				} else {
+					return false;
+				}
+			}
+		}
+
+		// visibility が followers かつ自分が投稿者のフォロワーでなかったら非表示
+		if (note.visibility === 'followers') {
+			if (meId == null) {
+				return false;
+			} else if (meId === note.userId) {
+				return true;
+			} else if (note.reply && (meId === note.reply.userId)) {
+				// 自分の投稿に対するリプライ
+				return true;
+			} else if (note.mentions && note.mentions.some(id => meId === id)) {
+				// 自分へのメンション
+				return true;
+			} else {
+				// フォロワーかどうか
+				const following = await Followings.findOne({
+					followeeId: note.userId,
+					followerId: meId
+				});
+
+				if (following == null) {
+					return false;
+				} else {
+					return true;
+				}
+			}
+		}
+
+		return true;
+	}
+
 	private async hideNote(packedNote: PackedNote, meId: User['id'] | null) {
+		// TODO: isVisibleForMe を使うようにしても良さそう(型違うけど)
 		let hide = false;
 
 		// visibility が specified かつ自分が指定されていなかったら非表示
diff --git a/src/server/api/endpoints/notes/translate.ts b/src/server/api/endpoints/notes/translate.ts
index e4bc6bb06..b56b1debd 100644
--- a/src/server/api/endpoints/notes/translate.ts
+++ b/src/server/api/endpoints/notes/translate.ts
@@ -8,6 +8,7 @@ import config from '@/config/index';
 import { getAgentByUrl } from '@/misc/fetch';
 import { URLSearchParams } from 'url';
 import { fetchMeta } from '@/misc/fetch-meta';
+import { Notes } from '@/models';
 
 export const meta = {
 	tags: ['notes'],
@@ -43,6 +44,10 @@ export default define(meta, async (ps, user) => {
 		throw e;
 	});
 
+	if (!(await Notes.isVisibleForMe(note, user ? user.id : null))) {
+		return 204; // TODO: 良い感じのエラー返す
+	}
+
 	if (note.text == null) {
 		return 204;
 	}