diff --git a/Containerfile b/Containerfile
new file mode 100644
index 0000000000..6696b5092a
--- /dev/null
+++ b/Containerfile
@@ -0,0 +1,57 @@
+# syntax = docker/dockerfile:1.4
+
+ARG NODE_VERSION=21.4.0-alpine3.18
+
+FROM node:${NODE_VERSION} as build
+
+RUN corepack enable
+
+WORKDIR /outpatient
+
+RUN apk add git
+
+COPY . ./
+
+RUN git submodule update
+RUN pnpm config set fetch-retries 5
+RUN --mount=type=cache,target=/root/.local/share/pnpm/store,sharing=locked \
+	pnpm i
+RUN pnpm build
+RUN node scripts/trim-deps.mjs
+RUN mv packages/frontend/assets sharkey-assets
+RUN rm -r node_modules packages/frontend packages/sw
+RUN --mount=type=cache,target=/root/.local/share/pnpm/store,sharing=locked \
+	pnpm i --prod
+RUN rm -rf .git
+
+FROM node:${NODE_VERSION}
+
+WORKDIR /outpatient
+
+RUN apk add ffmpeg tini
+
+COPY --from=build /outpatient/built ./built
+COPY --from=build /outpatient/node_modules ./node_modules
+COPY --from=build /outpatient/packages/backend/built ./packages/backend/built
+COPY --from=build /outpatient/packages/backend/node_modules ./packages/backend/node_modules
+COPY --from=build /outpatient/packages/megalodon/lib ./packages/megalodon/lib
+COPY --from=build /outpatient/packages/megalodon/node_modules ./packages/megalodon/node_modules
+COPY --from=build /outpatient/packages/misskey-js/built ./packages/misskey-js/built
+COPY --from=build /outpatient/packages/misskey-js/node_modules ./packages/misskey-js/node_modules
+COPY --from=build /outpatient/fluent-emojis ./fluent-emojis
+COPY --from=build /outpatient/sharkey-assets ./packages/frontend/assets
+
+COPY package.json ./package.json
+COPY pnpm-workspace.yaml ./pnpm-workspace.yaml
+COPY packages/backend/package.json ./packages/backend/package.json
+COPY packages/backend/check_connect.js ./packages/backend/check_connect.js
+COPY packages/backend/ormconfig.js ./packages/backend/ormconfig.js
+COPY packages/backend/migration ./packages/backend/migration
+COPY packages/backend/assets ./packages/backend/assets
+COPY packages/megalodon/package.json ./packages/megalodon/package.json
+COPY packages/misskey-js/package.json ./packages/misskey-js/package.json
+
+ENV NODE_ENV=production
+RUN corepack enable
+ENTRYPOINT ["/usr/bin/tini", "--"]
+CMD ["pnpm", "run", "migrateandstart"]
diff --git a/Dockerfile b/Dockerfile
deleted file mode 100644
index 66018a01c8..0000000000
--- a/Dockerfile
+++ /dev/null
@@ -1,101 +0,0 @@
-# syntax = docker/dockerfile:1.4
-
-ARG NODE_VERSION=20.5.1-bullseye
-
-# build assets & compile TypeScript
-
-FROM --platform=$BUILDPLATFORM node:${NODE_VERSION} AS native-builder
-
-RUN --mount=type=cache,target=/var/cache/apt,sharing=locked \
-	--mount=type=cache,target=/var/lib/apt,sharing=locked \
-	rm -f /etc/apt/apt.conf.d/docker-clean \
-	; echo 'Binary::apt::APT::Keep-Downloaded-Packages "true";' > /etc/apt/apt.conf.d/keep-cache \
-	&& apt-get update \
-	&& apt-get install -yqq --no-install-recommends \
-	build-essential curl ca-certificates
-
-ARG TARGETARCH
-
-RUN curl -L https://johnvansickle.com/ffmpeg/releases/ffmpeg-release-$TARGETARCH-static.tar.xz -o /ffmpeg.tar.xz \
-	&& tar xvf /ffmpeg.tar.xz -C / --strip-components 1 --wildcards 'ffmpeg-*-static/ffmpeg' 'ffmpeg-*-static/ffprobe'
-
-RUN corepack enable
-
-WORKDIR /sharkey
-
-COPY --link ["pnpm-lock.yaml", "pnpm-workspace.yaml", "package.json", "./"]
-COPY --link ["scripts", "./scripts"]
-COPY --link ["packages/megalodon/package.json", "./packages/megalodon/"]
-COPY --link ["packages/backend/package.json", "./packages/backend/"]
-COPY --link ["packages/frontend/package.json", "./packages/frontend/"]
-COPY --link ["packages/sw/package.json", "./packages/sw/"]
-COPY --link ["packages/misskey-js/package.json", "./packages/misskey-js/"]
-
-RUN --mount=type=cache,target=/root/.local/share/pnpm/store,sharing=locked \
-	pnpm i --frozen-lockfile --aggregate-output
-
-COPY --link . ./
-
-ARG NODE_ENV=production
-
-RUN git submodule update --init
-RUN pnpm build
-RUN rm -rf .git/
-
-# build native dependencies for target platform
-
-FROM --platform=$TARGETPLATFORM node:${NODE_VERSION} AS target-builder
-
-RUN apt-get update \
-	&& apt-get install -yqq --no-install-recommends \
-	build-essential
-
-RUN corepack enable
-
-WORKDIR /sharkey
-
-COPY --link ["pnpm-lock.yaml", "pnpm-workspace.yaml", "package.json", "./"]
-COPY --link ["scripts", "./scripts"]
-COPY --link ["packages/megalodon/package.json", "./packages/megalodon/"]
-COPY --link ["packages/backend/package.json", "./packages/backend/"]
-
-RUN --mount=type=cache,target=/root/.local/share/pnpm/store,sharing=locked \
-	pnpm i --frozen-lockfile --aggregate-output
-
-FROM --platform=$TARGETPLATFORM node:${NODE_VERSION}-slim AS runner
-
-ARG UID="991"
-ARG GID="991"
-
-RUN apt-get update \
-	&& apt-get install -y --no-install-recommends \
-	tini curl libjemalloc-dev libjemalloc2 \
-	&& ln -s /usr/lib/$(uname -m)-linux-gnu/libjemalloc.so.2 /usr/local/lib/libjemalloc.so \
-	&& corepack enable \
-	&& groupadd -g "${GID}" sharkey \
-	&& useradd -l -u "${UID}" -g "${GID}" -m -d /sharkey sharkey \
-	&& find / -type d -path /proc -prune -o -type f -perm /u+s -ignore_readdir_race -exec chmod u-s {} \; \
-	&& find / -type d -path /proc -prune -o -type f -perm /g+s -ignore_readdir_race -exec chmod g-s {} \; \
-	&& apt-get clean \
-	&& rm -rf /var/lib/apt/lists
-
-USER sharkey
-WORKDIR /sharkey
-
-COPY --chown=sharkey:sharkey --from=target-builder /sharkey/node_modules ./node_modules
-COPY --chown=sharkey:sharkey --from=target-builder /sharkey/packages/megalodon/node_modules ./packages/megalodon/node_modules
-COPY --chown=sharkey:sharkey --from=target-builder /sharkey/packages/backend/node_modules ./packages/backend/node_modules
-COPY --chown=sharkey:sharkey --from=native-builder /ffmpeg /usr/local/bin/
-COPY --chown=sharkey:sharkey --from=native-builder /ffprobe /usr/local/bin/
-COPY --chown=sharkey:sharkey --from=native-builder /sharkey/built ./built
-COPY --chown=sharkey:sharkey --from=native-builder /sharkey/packages/megalodon/lib ./packages/megalodon/lib
-COPY --chown=sharkey:sharkey --from=native-builder /sharkey/packages/backend/built ./packages/backend/built
-COPY --chown=sharkey:sharkey --from=native-builder /sharkey/fluent-emojis /sharkey/fluent-emojis
-COPY --chown=sharkey:sharkey . ./
-
-ENV LD_PRELOAD=/usr/local/lib/libjemalloc.so
-ENV NODE_ENV=production
-VOLUME "/sharkey/files"
-HEALTHCHECK --interval=5s --retries=20 CMD ["/bin/bash", "/sharkey/healthcheck.sh"]
-ENTRYPOINT ["/usr/bin/tini", "--"]
-CMD ["pnpm", "run", "migrateandstart"]
diff --git a/scripts/trim-deps.mjs b/scripts/trim-deps.mjs
new file mode 100644
index 0000000000..2983f28cb4
--- /dev/null
+++ b/scripts/trim-deps.mjs
@@ -0,0 +1,35 @@
+// trims dependencies for production
+// only run after a full build
+
+import fs from 'node:fs'
+
+const checks = ['dependencies', 'optionalDependencies', 'devDependencies']
+
+function removeDeps(path, patterns) {
+	let pkg = JSON.parse(fs.readFileSync(path));
+	for (const pattern of patterns) {
+		if (typeof pattern === 'string') {
+			for (const check of checks) {
+				if (pkg[check] !== undefined && pkg[check][pattern] !== undefined) {
+					delete pkg[check][pattern];
+				}
+			}
+		} else if (pattern instanceof RegExp) {
+			for (const check of checks) {
+				if (pkg[check] !== undefined) {
+					for (const dep of Object.keys(pkg[check])) {
+						if (pattern.exec(dep) !== null) {
+							delete pkg[check][dep];
+						}
+					}
+				}
+			}
+		}
+	}
+	fs.writeFileSync(path, JSON.stringify(pkg, undefined, 2));
+}
+
+removeDeps('package.json', ['execa', 'cssnano', 'postcss', 'terser', 'typescript'])
+removeDeps('packages/backend/package.json', ['bufferutil', 'utf-8-validate', /^@swc\//, 'typescript'])
+removeDeps('packages/megalodon/package.json', [/^@types\//, 'typescript'])
+removeDeps('packages/misskey-js/package.json', [/^@swc\//, 'typescript'])