diff --git a/deploy/mainnet/docker-compose.buyer.yml b/deploy/mainnet/docker-compose.buyer.yml
index 57c037a..bdf9578 100644
--- a/deploy/mainnet/docker-compose.buyer.yml
+++ b/deploy/mainnet/docker-compose.buyer.yml
@@ -36,7 +36,7 @@ services:
       - "traefik.enable=true"
       - "traefik.docker.network=dashboard_default"
       - "traefik.http.routers.mp-buyer-mainnet.entrypoints=web"
-      - "traefik.http.routers.mp-buyer-mainnet.rule=Host(`mp.vector.apexfusion.org`)"
+      - "traefik.http.routers.mp-buyer-mainnet.rule=Host(`marketplace.vector.apexfusion.org`)"
       - "traefik.http.services.mp-buyer-mainnet.loadbalancer.server.port=8070"
     logging:
       driver: json-file
diff --git a/deploy/mainnet/docker-compose.indexer.yml b/deploy/mainnet/docker-compose.indexer.yml
index 79a5dd6..63e7efc 100644
--- a/deploy/mainnet/docker-compose.indexer.yml
+++ b/deploy/mainnet/docker-compose.indexer.yml
@@ -34,7 +34,6 @@ services:
       start_period: 20s
     networks:
       - marketplace-mainnet-net
-      - apex-net
       - traefik-net
     labels:
       - "traefik.enable=true"
@@ -52,9 +51,6 @@ networks:
   marketplace-mainnet-net:
     external: true
     name: marketplace-mainnet-net
-  apex-net:
-    external: true
-    name: apex-dashboard-mainnet_mainnet-net
   traefik-net:
     external: true
     name: dashboard_default
diff --git a/packages/shared/src/tx/internal/liveCbor.ts b/packages/shared/src/tx/internal/liveCbor.ts
index 2042efd..97b8fbd 100644
--- a/packages/shared/src/tx/internal/liveCbor.ts
+++ b/packages/shared/src/tx/internal/liveCbor.ts
@@ -489,7 +489,7 @@ export async function buildLiveTxForSubmit(params: LiveSubmitParams): Promise<Bu
   // because no slot in [tip, tip] could hold it. Push stamp forward to give
   // the chain SUBMIT_WINDOW_MS of headroom for inclusion, capped at
   // deliver_by so deadline_ok stays satisfied.
-  const VECTOR_ZERO_TIME = 1_752_057_484_000;  // ms
+  const VECTOR_ZERO_TIME = Number(process.env.VECTOR_ZERO_TIME_MS) || 1_752_057_484_000;  // ms (env override for mainnet; default = testnet genesis)
   const SLOT_LENGTH = 1_000;                   // ms
   const SUBMIT_WINDOW_MS = 120_000;            // 2-minute inclusion window
   const tipMs = params.tipMs;
diff --git a/packages/shared/src/tx/internal/lucidContext.ts b/packages/shared/src/tx/internal/lucidContext.ts
index a0027f0..2f0266f 100644
--- a/packages/shared/src/tx/internal/lucidContext.ts
+++ b/packages/shared/src/tx/internal/lucidContext.ts
@@ -41,7 +41,7 @@ const HEX64_RE = /^[0-9a-fA-F]{64}$/;
 // idempotent — repeated calls leave the values identical. createLucidContext
 // invokes it before constructing the Lucid instance.
 
-const VECTOR_ZERO_TIME = 1_752_057_484_000;
+const VECTOR_ZERO_TIME = Number(process.env.VECTOR_ZERO_TIME_MS) || 1_752_057_484_000;
 const VECTOR_ZERO_SLOT = 0;
 const VECTOR_SLOT_LENGTH = 1000;