diff --git a/packages/blobstorage/.default.indexer.env b/packages/blobstorage/.default.indexer.env
index a6cf8955573..c73b38dfd1f 100644
--- a/packages/blobstorage/.default.indexer.env
+++ b/packages/blobstorage/.default.indexer.env
@@ -3,7 +3,7 @@ BEACON_URL=https://l1beacon.hekla.taiko.xyz
 TAIKO_L1_CONTRACT_ADDRESS=0xC069c3d2a9f2479F559AD34485698ad5199C555f
 DATABASE_HOST=localhost
 DATABASE_PORT=3306
-DATABASE_USER=root
-DATABASE_PASSWORD=passw00d
+DATABASE_USER=
+DATABASE_PASSWORD=
 DATABASE_NAME=blobs
 METRICS_HTTP_PORT=7472
diff --git a/packages/blobstorage/.default.server.env b/packages/blobstorage/.default.server.env
index d7c46611e1d..c50948e3937 100644
--- a/packages/blobstorage/.default.server.env
+++ b/packages/blobstorage/.default.server.env
@@ -1,7 +1,7 @@
 HTTP_PORT=3282
 DATABASE_HOST=localhost
 DATABASE_PORT=3306
-DATABASE_USER=root
-DATABASE_PASSWORD=passw00d
+DATABASE_USER=
+DATABASE_PASSWORD=
 DATABASE_NAME=blobs
 METRICS_HTTP_PORT=7471
diff --git a/packages/blobstorage/README.md b/packages/blobstorage/README.md
index e7fe0e15ce9..dd1bb84a975 100644
--- a/packages/blobstorage/README.md
+++ b/packages/blobstorage/README.md
@@ -28,8 +28,8 @@ Repository for BLOB storage (archive and serve data)
 
    ```bash
    cd ./migrations
-   goose mysql "root:passw00d@tcp(localhost:3306)/blobs" status
-   goose mysql "root:passw00d@tcp(localhost:3306)/blobs" up
+   goose mysql "<user>:<password>@tcp(localhost:3306)/blobs" status
+   goose mysql "<user>:<password>@tcp(localhost:3306)/blobs" up
    ```
 
    These commands apply migrations to the `blobs` database.
diff --git a/packages/eventindexer/.l1.env b/packages/eventindexer/.l1.env
index 79bb020e2da..1385dbba477 100644
--- a/packages/eventindexer/.l1.env
+++ b/packages/eventindexer/.l1.env
@@ -1,7 +1,7 @@
 HTTP_PORT=4100
 PROMETHEUS_HTTP_PORT=6063
-DATABASE_USER=root
-DATABASE_PASSWORD=root
+DATABASE_USER=
+DATABASE_PASSWORD=
 DATABASE_NAME=eventindexer
 DATABASE_HOST=localhost:3306
 DATABASE_MAX_IDLE_CONNS=50
diff --git a/packages/eventindexer/.l2.env b/packages/eventindexer/.l2.env
index 77bb8409fff..983f2ac3069 100644
--- a/packages/eventindexer/.l2.env
+++ b/packages/eventindexer/.l2.env
@@ -1,7 +1,7 @@
 HTTP_PORT=4009
 METRICS_HTTP_PORT=6067
-DATABASE_USER=root
-DATABASE_PASSWORD=root
+DATABASE_USER=
+DATABASE_PASSWORD=
 DATABASE_NAME=eventindexer
 DATABASE_HOST=localhost:3306
 DATABASE_MAX_IDLE_CONNS=50
diff --git a/packages/relayer/.default.env b/packages/relayer/.default.env
index 88973ca6217..28f7c92ee78 100644
--- a/packages/relayer/.default.env
+++ b/packages/relayer/.default.env
@@ -1,7 +1,7 @@
 HTTP_PORT=4101
 PROMETHEUS_HTTP_PORT=6061
-MYSQL_USER=root
-MYSQL_PASSWORD=root
+MYSQL_USER=
+MYSQL_PASSWORD=
 MYSQL_DATABASE=relayer
 MYSQL_HOST=localhost:3306
 MYSQL_MAX_IDLE_CONNS=50
diff --git a/packages/relayer/.l1indexer.example.env b/packages/relayer/.l1indexer.example.env
index 1abb2aedd34..8a11abd4a6e 100644
--- a/packages/relayer/.l1indexer.example.env
+++ b/packages/relayer/.l1indexer.example.env
@@ -1,14 +1,14 @@
 HTTP_PORT=4103
 METRICS_HTTP_PORT=6062
-DATABASE_USER=root
-DATABASE_PASSWORD=root
+DATABASE_USER=
+DATABASE_PASSWORD=
 DATABASE_NAME=relayer
 DATABASE_HOST=localhost:3306
 DATABASE_MAX_IDLE_CONNS=50
 DATABASE_MAX_OPEN_CONNS=3000
 DATABASE_CONN_MAX_LIFETIME=100000
-QUEUE_USER=guest
-QUEUE_PASSWORD=guest
+QUEUE_USER=
+QUEUE_PASSWORD=
 QUEUE_HOST=localhost
 QUEUE_PORT=5672
 EVENT_NAME=MessageSent
diff --git a/packages/relayer/.l1processor.example.env b/packages/relayer/.l1processor.example.env
index 6b8c1c05cbe..df6f69374dd 100644
--- a/packages/relayer/.l1processor.example.env
+++ b/packages/relayer/.l1processor.example.env
@@ -1,13 +1,13 @@
 PROMETHEUS_HTTP_PORT=6062
-DATABASE_USER=root
-DATABASE_PASSWORD=passw00d
+DATABASE_USER=
+DATABASE_PASSWORD=
 DATABASE_NAME=relayer
 DATABASE_HOST=localhost:3306
 DATABASE_MAX_IDLE_CONNS=50
 DATABASE_MAX_OPEN_CONNS=3000
 DATABASE_CONN_MAX_LIFETIME=100000
-QUEUE_USER=guest
-QUEUE_PASSWORD=guest
+QUEUE_USER=
+QUEUE_PASSWORD=
 QUEUE_HOST=localhost
 QUEUE_PORT=5672
 PROCESSOR_PRIVATE_KEY=
diff --git a/packages/relayer/README.md b/packages/relayer/README.md
index 87e07dab3c1..cbc97800416 100644
--- a/packages/relayer/README.md
+++ b/packages/relayer/README.md
@@ -36,8 +36,8 @@ To migrate the database schema in MySQL:
 
 ```sh
 cd ./migrations
-goose mysql "root:passw00d@tcp(localhost:3306)/relayer" status
-goose mysql "root:passw00d@tcp(localhost:3306)/relayer" up
+goose mysql "<user>:<password>@tcp(localhost:3306)/relayer" status
+goose mysql "<user>:<password>@tcp(localhost:3306)/relayer" up
 ```
 
 ### Configure Environment Variables
diff --git a/packages/relayer/docker-compose/docker-compose.yml b/packages/relayer/docker-compose/docker-compose.yml
index c2343fb8550..66192fde616 100644
--- a/packages/relayer/docker-compose/docker-compose.yml
+++ b/packages/relayer/docker-compose/docker-compose.yml
@@ -7,7 +7,7 @@ services:
     restart: always
     environment:
       - MYSQL_DATABASE=relayer
-      - MYSQL_ROOT_PASSWORD=passw00d
+      - MYSQL_ROOT_PASSWORD=<password>
     ports:
       - "3306:3306"
     volumes: