diff --git a/.dockerignore b/.dockerignore
new file mode 100644
index 0000000..b65d147
--- /dev/null
+++ b/.dockerignore
@@ -0,0 +1,8 @@
+.git/
+.vscode/
+screenshot/
+tests/
+*.txt
+*.csv
+*.xlsx
+devel/
diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..9b681bc
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,43 @@
+# Release instructions:
+# 1. Update the version tag in the Dockerfile to match the version in Cargo.toml
+# 2. Update the VCS_REF tag to match the tagged version's FULL commit hash
+# 3. Build image with BOTH latest and version tags
+#    i.e. `docker build -t sherlock/sherlocke:0.1.0 -t sherlock/sherlock:latest .`
+
+# Stage 1: Build the Rust application
+FROM rust:1.70-slim-bullseye as build
+
+# Set the working directory inside the container
+WORKDIR /sherlock
+
+# Copy the Cargo.toml and Cargo.lock files to build the dependencies first
+COPY Cargo.toml Cargo.lock ./
+
+# Fetch dependencies and cache them
+RUN cargo fetch
+
+# Copy the rest of the application source code
+COPY . .
+
+# Build the application in release mode
+RUN cargo build --release
+
+# Stage 2: Create a minimal runtime image
+FROM debian:buster-slim
+WORKDIR /sherlock
+
+ARG VCS_REF= # CHANGE ME ON UPDATE
+ARG VCS_URL="https://github.com/jonaylor89/sherlock-rs"
+ARG VERSION_TAG= # CHANGE ME ON UPDATE
+
+LABEL org.label-schema.vcs-ref=$VCS_REF \
+    org.label-schema.vcs-url=$VCS_URL \
+    org.label-schema.name="Sherlock" \
+    org.label-schema.version=$VERSION_TAG \
+    website="https://sherlockproject.xyz"
+
+# Copy the compiled binary from the build stage
+COPY --from=build /sherlock/target/release/myrustapp /usr/local/bin/sherlock
+
+# Specify the entrypoint of the container
+ENTRYPOINT ["sherlock"]
diff --git a/src/main.rs b/src/main.rs
index afc9be8..d093a86 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -77,7 +77,7 @@ struct Cli {
     local: bool,
 
     /// Include checking of NSFW sites from default list.
-    #[clap(long, alias = "nsfw")]
+    #[clap(long, alias = "nsfw", default_value_t = true)]
     nsfw: bool,
 }
 
@@ -95,10 +95,27 @@ async fn main() -> Result<()> {
             println!("[!!!] error path [{}]", err.path());
         })?;
 
+    let targets = match cli.nsfw {
+        true => initial_data.targets,
+        false => initial_data
+            .targets
+            .into_iter()
+            .filter(|(_, info)| !info.is_nsfw.unwrap_or(false))
+            .collect(),
+    };
+
+    let filtered_targets = match cli.site_list.is_empty() {
+        true => targets,
+        false => targets
+            .into_iter()
+            .filter(|(site, _)| cli.site_list.contains(&site))
+            .collect(),
+    };
+
     for username in cli.usernames {
         let results = check_username(
             &username,
-            initial_data.targets.clone(),
+            filtered_targets.clone(),
             cli.timeout,
             cli.proxy.as_ref(),
         )
diff --git a/tests/status_code_test.rs b/tests/status_code_test.rs
new file mode 100644
index 0000000..8b13789
--- /dev/null
+++ b/tests/status_code_test.rs
@@ -0,0 +1 @@
+