diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
new file mode 100644
index 0000000..fe65392
--- /dev/null
+++ b/.github/workflows/ci.yaml
@@ -0,0 +1,15 @@
+name: ci
+on:
+  pull_request:
+env:
+  CARGO_TERM_COLOR: always
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+      - name: Update rust toolchain
+        run: rustup update stable && rustup default stable
+      - name: Run dagger [CI]
+        run: cargo run -p ci -- pr
diff --git a/Cargo.lock b/Cargo.lock
index 2db36e2..25b9159 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2,6 +2,15 @@
 # It is not intended for manual editing.
 version = 3
 
+[[package]]
+name = "addr2line"
+version = "0.19.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a76fd60b23679b7d19bd066031410fb7e458ccc5e958eb5c325888ce4baedc97"
+dependencies = [
+ "gimli",
+]
+
 [[package]]
 name = "adler"
 version = "1.0.2"
@@ -33,6 +42,21 @@ version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
 
+[[package]]
+name = "backtrace"
+version = "0.3.67"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "233d376d6d185f2a3093e58f283f60f880315b6c60075b01f36b3b85154564ca"
+dependencies = [
+ "addr2line",
+ "cc",
+ "cfg-if",
+ "libc",
+ "miniz_oxide",
+ "object",
+ "rustc-demangle",
+]
+
 [[package]]
 name = "base64"
 version = "0.21.0"
@@ -84,6 +108,16 @@ version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
+[[package]]
+name = "ci"
+version = "0.1.0"
+dependencies = [
+ "clap",
+ "color-eyre",
+ "dagger-sdk 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "eyre",
+]
+
 [[package]]
 name = "clap"
 version = "4.1.6"
@@ -106,6 +140,33 @@ dependencies = [
  "os_str_bytes",
 ]
 
+[[package]]
+name = "color-eyre"
+version = "0.6.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5a667583cca8c4f8436db8de46ea8233c42a7d9ae424a82d338f2e4675229204"
+dependencies = [
+ "backtrace",
+ "color-spantrace",
+ "eyre",
+ "indenter",
+ "once_cell",
+ "owo-colors",
+ "tracing-error",
+]
+
+[[package]]
+name = "color-spantrace"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1ba75b3d9449ecdccb27ecbc479fdc0b87fa2dd43d2f8298f9bf0e59aacc8dce"
+dependencies = [
+ "once_cell",
+ "owo-colors",
+ "tracing-core",
+ "tracing-error",
+]
+
 [[package]]
 name = "combine"
 version = "3.8.1"
@@ -187,7 +248,7 @@ name = "dagger-codegen"
 version = "0.2.0"
 dependencies = [
  "convert_case",
- "dagger-core",
+ "dagger-core 0.2.0",
  "eyre",
  "genco",
  "itertools",
@@ -218,13 +279,37 @@ dependencies = [
  "tempfile",
 ]
 
+[[package]]
+name = "dagger-core"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "02a16b0e83ae5b88a3d4e2f3cf5149932cfcb3113e67f5579372e25d5dab5b53"
+dependencies = [
+ "clap",
+ "dirs",
+ "eyre",
+ "flate2",
+ "genco",
+ "graphql-introspection-query",
+ "graphql_client",
+ "hex",
+ "hex-literal",
+ "platform-info",
+ "reqwest",
+ "serde",
+ "serde_json",
+ "sha2",
+ "tar",
+ "tempfile",
+]
+
 [[package]]
 name = "dagger-rs"
 version = "0.2.0"
 dependencies = [
  "clap",
  "dagger-codegen",
- "dagger-core",
+ "dagger-core 0.2.0",
  "dirs",
  "eyre",
  "flate2",
@@ -247,7 +332,7 @@ name = "dagger-sdk"
 version = "0.2.0"
 dependencies = [
  "base64",
- "dagger-core",
+ "dagger-core 0.2.0",
  "eyre",
  "futures",
  "genco",
@@ -259,6 +344,24 @@ dependencies = [
  "tokio",
 ]
 
+[[package]]
+name = "dagger-sdk"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e454c49b81feeb5c4057f54223cb8d7618e5d015ed835c3f3fa231fefa04e833"
+dependencies = [
+ "base64",
+ "dagger-core 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "eyre",
+ "futures",
+ "genco",
+ "gql_client",
+ "pretty_assertions",
+ "serde",
+ "serde_json",
+ "tokio",
+]
+
 [[package]]
 name = "diff"
 version = "0.1.13"
@@ -535,6 +638,12 @@ dependencies = [
  "wasi",
 ]
 
+[[package]]
+name = "gimli"
+version = "0.27.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ad0a93d233ebf96623465aad4046a8d3aa4da22d4f4beba5388838c8a434bbb4"
+
 [[package]]
 name = "gql_client"
 version = "1.0.7"
@@ -925,6 +1034,15 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "object"
+version = "0.30.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ea86265d3d3dcb6a27fc51bd29a4bf387fae9d2986b823079d4986af253eb439"
+dependencies = [
+ "memchr",
+]
+
 [[package]]
 name = "once_cell"
 version = "1.17.0"
@@ -991,6 +1109,12 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "owo-colors"
+version = "3.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c1b04fb49957986fdce4d6ee7a65027d55d4b6d2265e5848bbb507b58ccfdb6f"
+
 [[package]]
 name = "parking_lot"
 version = "0.12.1"
@@ -1189,6 +1313,12 @@ dependencies = [
  "winreg",
 ]
 
+[[package]]
+name = "rustc-demangle"
+version = "0.1.21"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7ef03e0a2b150c7a90d01faf6254c9c48a41e95fb2a8c2ac1c6f0d2b9aefc342"
+
 [[package]]
 name = "rustix"
 version = "0.36.7"
@@ -1301,6 +1431,15 @@ dependencies = [
  "digest",
 ]
 
+[[package]]
+name = "sharded-slab"
+version = "0.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "900fba806f70c630b0a382d0d825e17a0f19fcd059a2ade1ff237bcddf446b31"
+dependencies = [
+ "lazy_static",
+]
+
 [[package]]
 name = "signal-hook-registry"
 version = "1.4.0"
@@ -1406,6 +1545,16 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "thread_local"
+version = "1.1.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3fdd6f064ccff2d6567adcb3873ca630700f00b5ad3f060c25b5dcfd9a4ce152"
+dependencies = [
+ "cfg-if",
+ "once_cell",
+]
+
 [[package]]
 name = "tinyvec"
 version = "1.6.0"
@@ -1500,6 +1649,28 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "24eb03ba0eab1fd845050058ce5e616558e8f8d8fca633e6b163fe25c797213a"
 dependencies = [
  "once_cell",
+ "valuable",
+]
+
+[[package]]
+name = "tracing-error"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d686ec1c0f384b1277f097b2f279a2ecc11afe8c133c1aabf036a27cb4cd206e"
+dependencies = [
+ "tracing",
+ "tracing-subscriber",
+]
+
+[[package]]
+name = "tracing-subscriber"
+version = "0.3.16"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a6176eae26dd70d0c919749377897b54a9276bd7061339665dd68777926b5a70"
+dependencies = [
+ "sharded-slab",
+ "thread_local",
+ "tracing-core",
 ]
 
 [[package]]
@@ -1561,6 +1732,12 @@ dependencies = [
  "percent-encoding",
 ]
 
+[[package]]
+name = "valuable"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "830b7e5d4d90034032940e4ace0d9a9a057e7a45cd94e6c007832e39edb82f6d"
+
 [[package]]
 name = "vcpkg"
 version = "0.2.15"
diff --git a/ci/Cargo.toml b/ci/Cargo.toml
index 98e1871..6223e08 100644
--- a/ci/Cargo.toml
+++ b/ci/Cargo.toml
@@ -6,3 +6,7 @@ edition = "2021"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
+clap = "4.1.6"
+color-eyre = "0.6.2"
+dagger-sdk = "0.2.0"
+eyre = "0.6.8"
diff --git a/ci/src/main.rs b/ci/src/main.rs
index e7a11a9..9a4cc5f 100644
--- a/ci/src/main.rs
+++ b/ci/src/main.rs
@@ -1,3 +1,126 @@
-fn main() {
-    println!("Hello, world!");
+use std::sync::Arc;
+
+use dagger_sdk::gen::{Container, HostDirectoryOpts, Query};
+
+fn main() -> eyre::Result<()> {
+    color_eyre::install().unwrap();
+
+    let matches = clap::Command::new("ci")
+        .subcommand_required(true)
+        .subcommand(clap::Command::new("pr"))
+        .get_matches();
+
+    let client = dagger_sdk::client::connect()?;
+
+    let base = select_base_image(client.clone());
+
+    match matches.subcommand() {
+        Some(("pr", _)) => return validate_pr(client, base),
+        Some(_) => {
+            panic!("invalid subcommand selected!")
+        }
+        None => {
+            panic!("no command selected!")
+        }
+    }
+}
+
+fn get_dependencies(client: Arc<Query>) -> Container {
+    let cargo_dir = client.host().directory(
+        ".".into(),
+        Some(HostDirectoryOpts {
+            exclude: None,
+            include: Some(vec![
+                "**/Cargo.lock".into(),
+                "**/Cargo.toml".into(),
+                "**/main.rs".into(),
+                "**/lib.rs".into(),
+            ]),
+        }),
+    );
+
+    let src_dir = client.host().directory(
+        ".".into(),
+        Some(HostDirectoryOpts {
+            exclude: Some(vec!["target/".into()]),
+            include: None,
+        }),
+    );
+
+    let cache_cargo_index_dir = client.cache_volume("cargo_index".into());
+    let cache_cargo_deps = client.cache_volume("cargo_deps".into());
+
+    let base_image = client
+        .container(None)
+        .from("rust:latest".into())
+        .with_workdir("app".into())
+        .with_exec(
+            vec!["cargo".into(), "install".into(), "cargo-chef".into()],
+            None,
+        );
+
+    let recipe = base_image
+        .with_mounted_directory(".".into(), cargo_dir.id())
+        .with_mounted_cache(
+            "~/.cargo/.package-cache".into(),
+            cache_cargo_index_dir.id(),
+            None,
+        )
+        .with_exec(
+            vec![
+                "cargo".into(),
+                "chef".into(),
+                "prepare".into(),
+                "--recipe-path".into(),
+                "recipe.json".into(),
+            ],
+            None,
+        )
+        .file("/app/recipe.json".into());
+
+    let builder_start = base_image
+        .with_mounted_file("/app/recipe.json".into(), recipe.id())
+        .with_exec(
+            vec![
+                "cargo".into(),
+                "chef".into(),
+                "cook".into(),
+                "--release".into(),
+                "--recipe-path".into(),
+                "recipe.json".into(),
+            ],
+            None,
+        )
+        .with_mounted_cache("/app/".into(), cache_cargo_deps.id(), None)
+        .with_mounted_directory("/app/".into(), src_dir.id())
+        .with_exec(
+            vec![
+                "cargo".into(),
+                "build".into(),
+                "--all".into(),
+                "--release".into(),
+            ],
+            None,
+        );
+
+    return builder_start;
+}
+
+fn select_base_image(client: Arc<Query>) -> Container {
+    let src_dir = get_dependencies(client.clone());
+
+    src_dir
+}
+
+fn validate_pr(_client: Arc<Query>, container: Container) -> eyre::Result<()> {
+    //let container = container.with_exec(vec!["cargo".into(), "test".into(), "--all".into()], None);
+
+    let exit = container.exit_code();
+    if exit != 0 {
+        eyre::bail!("container failed with non-zero exit code");
+    }
+
+    println!("validating pr succeeded!");
+
+    Ok(())
 }