diff --git a/Cargo.lock b/Cargo.lock
index 83cf9dc..7251edd 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2,6 +2,194 @@
 # It is not intended for manual editing.
 version = 4
 
+[[package]]
+name = "anyhow"
+version = "1.0.94"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c1fd03a028ef38ba2276dce7e33fcd6369c158a1bca17946c4b1b701891c1ff7"
+
+[[package]]
+name = "base64"
+version = "0.22.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "72b3254f16251a8381aa12e40e3c4d2f0199f8c6508fbecb9d91f575e0fbb8c6"
+
+[[package]]
+name = "bytes"
+version = "1.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "325918d6fe32f23b19878fe4b34794ae41fc19ddbe53b10571a4874d44ffd39b"
+
 [[package]]
 name = "detee-shared"
 version = "0.1.0"
+dependencies = [
+ "base64",
+ "prost",
+ "serde",
+ "serde_yml",
+]
+
+[[package]]
+name = "either"
+version = "1.13.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "60b1af1c220855b6ceac025d3f6ecdd2b7c4894bfe9cd9bda4fbb4bc7c0d4cf0"
+
+[[package]]
+name = "equivalent"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5443807d6dff69373d433ab9ef5378ad8df50ca6298caf15de6e52e24aaf54d5"
+
+[[package]]
+name = "hashbrown"
+version = "0.15.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bf151400ff0baff5465007dd2f3e717f3fe502074ca563069ce3a6629d07b289"
+
+[[package]]
+name = "indexmap"
+version = "2.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "62f822373a4fe84d4bb149bf54e584a7f4abec90e072ed49cda0edea5b95471f"
+dependencies = [
+ "equivalent",
+ "hashbrown",
+]
+
+[[package]]
+name = "itertools"
+version = "0.13.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "413ee7dfc52ee1a4949ceeb7dbc8a33f2d6c088194d9f922fb8318faf1f01186"
+dependencies = [
+ "either",
+]
+
+[[package]]
+name = "itoa"
+version = "1.0.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d75a2a4b1b190afb6f5425f10f6a8f959d2ea0b9c2b1d79553551850539e4674"
+
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3302702afa434ffa30847a83305f0a69d6abd74293b6554c18ec85c7ef30c980"
+dependencies = [
+ "anyhow",
+ "version_check",
+]
+
+[[package]]
+name = "memchr"
+version = "2.7.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "78ca9ab1a0babb1e7d5695e3530886289c18cf2f87ec19a575a0abdce112e3a3"
+
+[[package]]
+name = "proc-macro2"
+version = "1.0.92"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "37d3544b3f2748c54e147655edb5025752e2303145b5aefb3c3ea2c78b973bb0"
+dependencies = [
+ "unicode-ident",
+]
+
+[[package]]
+name = "prost"
+version = "0.13.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2c0fef6c4230e4ccf618a35c59d7ede15dea37de8427500f50aff708806e42ec"
+dependencies = [
+ "bytes",
+ "prost-derive",
+]
+
+[[package]]
+name = "prost-derive"
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "157c5a9d7ea5c2ed2d9fb8f495b64759f7816c7eaea54ba3978f0d63000162e3"
+dependencies = [
+ "anyhow",
+ "itertools",
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "quote"
+version = "1.0.37"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b5b9d34b8991d19d98081b46eacdd8eb58c6f2b201139f7c5f643cc155a633af"
+dependencies = [
+ "proc-macro2",
+]
+
+[[package]]
+name = "ryu"
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f3cb5ba0dc43242ce17de99c180e96db90b235b8a9fdc9543c96d2209116bd9f"
+
+[[package]]
+name = "serde"
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0b9781016e935a97e8beecf0c933758c97a5520d32930e460142b4cd80c6338e"
+dependencies = [
+ "serde_derive",
+]
+
+[[package]]
+name = "serde_derive"
+version = "1.0.216"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "46f859dbbf73865c6627ed570e78961cd3ac92407a2d117204c49232485da55e"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "serde_yml"
+version = "0.0.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "59e2dd588bf1597a252c3b920e0143eb99b0f76e4e082f4c92ce34fbc9e71ddd"
+dependencies = [
+ "indexmap",
+ "itoa",
+ "libyml",
+ "memchr",
+ "ryu",
+ "serde",
+ "version_check",
+]
+
+[[package]]
+name = "syn"
+version = "2.0.90"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "919d3b74a5dd0ccd15aeb8f93e7006bd9e14c295087c9896a110f490752bcf31"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "unicode-ident",
+]
+
+[[package]]
+name = "unicode-ident"
+version = "1.0.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "adb9e6ca4f869e1180728b7950e35922a7fc6397f7b641499e8f3ef06e50dc83"
+
+[[package]]
+name = "version_check"
+version = "0.9.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0b928f33d975fc6ad9f86c8f283853ad26bdd5b10b7f1542aa2fa15e2289105a"
diff --git a/Cargo.toml b/Cargo.toml
index 24c71a0..8b1736b 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -4,3 +4,7 @@ version = "0.1.0"
 edition = "2021"
 
 [dependencies]
+base64 = "0.22.1"
+prost = "0.13.4"
+serde = { version = "1.0.216", features = ["derive"] }
+serde_yml = "0.0.12"
diff --git a/proto/manager_protobuf.proto b/proto/manager_protobuf.proto
new file mode 100644
index 0000000..657f5b9
--- /dev/null
+++ b/proto/manager_protobuf.proto
@@ -0,0 +1,39 @@
+syntax = "proto3";
+
+package dtpm_proto;
+
+message SetConfigResponse {
+  string status = 1;
+}
+
+// The main Config structure
+message ManagerConfigPB {
+  repeated FileEntry filesystem = 1;
+  repeated EnvironmentEntry environment = 2;
+  repeated ChildProcess child_processes = 3;
+}
+
+// Represents a file entry with a path and content
+message FileEntry {
+  string path = 1;
+  oneof content {
+    string data = 2;
+    string file_path = 3; // For the `Path` variant in FileContent
+  }
+}
+
+// Represents an environment variable entry
+message EnvironmentEntry {
+  string name = 1;
+  string value = 2;
+}
+
+// Represents a child process configuration
+message ChildProcess {
+  string path = 1;
+  repeated string arguments = 2;
+}
+
+service ConfigManager {
+  rpc SetConfig(ManagerConfigPB) returns (SetConfigResponse) {}
+}
\ No newline at end of file
diff --git a/src/lib.rs b/src/lib.rs
index 8b13789..beff8a8 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1 +1,87 @@
+pub mod config {
+    use base64::{engine::general_purpose::STANDARD as BASE64, Engine};
+    use serde::{Deserialize, Serialize};
 
+    #[derive(Clone, Serialize, Deserialize, prost::Oneof)]
+    pub enum FileContent {
+        #[serde(rename = "path")]
+        #[prost(string, tag = "2")]
+        Path(String),
+        #[serde(rename = "data")]
+        #[prost(string, tag = "3")]
+        Data(String),
+    }
+
+    impl Default for FileContent {
+        fn default() -> Self {
+            FileContent::Data("".to_string())
+        }
+    }
+
+    #[derive(Clone, Serialize, Deserialize, prost::Message)]
+    pub struct FileEntry {
+        #[prost(string, tag = "1")]
+        pub path: String,
+        #[prost(oneof = "FileContent", tags = "2, 3")]
+        pub content: Option<FileContent>,
+    }
+
+    #[derive(Clone, Serialize, Deserialize, prost::Message)]
+    pub struct EnvironmentEntry {
+        #[prost(string, tag = "1")]
+        pub name: String,
+        #[prost(string, tag = "2")]
+        pub value: String,
+    }
+
+    #[derive(Clone, Serialize, Deserialize, prost::Message)]
+    pub struct ChildProcess {
+        #[prost(string, tag = "1")]
+        pub path: String,
+        #[prost(string, repeated, tag = "2")]
+        pub arguments: Vec<String>,
+    }
+
+    #[derive(Clone, Serialize, Deserialize, prost::Message)]
+    pub struct Config {
+        #[prost(message, repeated, tag = "1")]
+        pub filesystem: Vec<FileEntry>,
+        #[prost(message, repeated, tag = "2")]
+        pub environment: Vec<EnvironmentEntry>,
+        #[prost(message, repeated, tag = "3")]
+        pub child_processes: Vec<ChildProcess>,
+    }
+
+    impl Config {
+        pub fn from_path(path: &str) -> Result<Self, Box<dyn std::error::Error>> {
+            let config_str = std::fs::read_to_string(path)?;
+            Ok(serde_yml::from_str(&config_str)?)
+        }
+
+        pub fn _print_sample() {
+            println!(
+                "{}",
+                serde_yml::to_string(&Config {
+                    filesystem: vec![FileEntry {
+                        path: "/etc/hostname".to_string(),
+                        content: Some(FileContent::Data("foo".to_string())),
+                    }],
+                    ..Default::default()
+                })
+                .unwrap()
+            );
+        }
+
+        pub fn load_data(mut self) -> Result<Self, Box<dyn std::error::Error>> {
+            self.filesystem.iter_mut().for_each(|x| {
+                if let Some(FileContent::Path(path)) = &x.content {
+                    let content = std::fs::read(path).expect("Unable to read file {path}");
+                    let encoded = BASE64.encode(content);
+                    x.content = Some(FileContent::Data(encoded));
+                }
+            });
+
+            Ok(self)
+        }
+    }
+}