diff --git a/Dockerfile b/Dockerfile
index 52ae271..739b43f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,6 +2,7 @@ FROM node:20-alpine AS base
 ENV PNPM_HOME="/pnpm"
 ENV PATH="$PNPM_HOME:$PATH"
 ARG PORT
+ENV PORT ${PORT}
 
 RUN corepack enable
 COPY . /app
@@ -18,4 +19,4 @@ FROM base
 COPY --from=prod-deps /app/node_modules /app/node_modules
 COPY --from=build /app/ .
 EXPOSE ${PORT}
-CMD [ "pnpm", "start" ]
+CMD pnpm start -p ${PORT}
diff --git a/Dockerfile.sandbox b/Dockerfile.sandbox
deleted file mode 100644
index 739b43f..0000000
--- a/Dockerfile.sandbox
+++ /dev/null
@@ -1,22 +0,0 @@
-FROM node:20-alpine AS base
-ENV PNPM_HOME="/pnpm"
-ENV PATH="$PNPM_HOME:$PATH"
-ARG PORT
-ENV PORT ${PORT}
-
-RUN corepack enable
-COPY . /app
-WORKDIR /app
-
-FROM base AS prod-deps
-RUN --mount=type=cache,id=pnpm,target=/pnpm/store pnpm install --prod --frozen-lockfile
-
-FROM base AS build
-RUN --mount=type=cache,id=pnpm,target=/pnpm/store pnpm install --frozen-lockfile
-RUN pnpm run build
-
-FROM base
-COPY --from=prod-deps /app/node_modules /app/node_modules
-COPY --from=build /app/ .
-EXPOSE ${PORT}
-CMD pnpm start -p ${PORT}