diff --git a/Dockerfile b/Dockerfile
index b981a11..299d70b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -13,4 +13,4 @@ RUN git clone https://github.com/microsoft/vcpkg.git /vcpkg && \
 
 RUN make CFLAGS="-I/vcpkg/installed/x64-linux/include" LDFLAGS="-L/vcpkg/installed/x64-linux/lib"
 
-CMD [ "/bin/bash", "-c", "build/interpreter", "/var/rinha/source.rinha.json" ]
+CMD [ "/app/build/interpreter", "/var/rinha/source.rinha.json" ]
diff --git a/docker_run.sh b/docker_run.sh
new file mode 100755
index 0000000..4d89721
--- /dev/null
+++ b/docker_run.sh
@@ -0,0 +1,6 @@
+docker build . -f Dockerfile -t rinha-c-interpreter
+
+docker run \
+    --rm \
+    -v $(pwd)/sample.json:/var/rinha/source.rinha.json \
+    rinha-c-interpreter
diff --git a/sample.json b/sample.json
new file mode 100644
index 0000000..b4e146a
--- /dev/null
+++ b/sample.json
@@ -0,0 +1,362 @@
+{
+    "name": "files/combination.rinha",
+    "expression": {
+        "kind": "Let",
+        "name": {
+            "text": "combination",
+            "location": {
+                "start": 4,
+                "end": 15,
+                "filename": "files/combination.rinha"
+            }
+        },
+        "value": {
+            "kind": "Function",
+            "parameters": [
+                {
+                    "text": "n",
+                    "location": {
+                        "start": 22,
+                        "end": 23,
+                        "filename": "files/combination.rinha"
+                    }
+                },
+                {
+                    "text": "k",
+                    "location": {
+                        "start": 25,
+                        "end": 26,
+                        "filename": "files/combination.rinha"
+                    }
+                }
+            ],
+            "value": {
+                "kind": "Let",
+                "name": {
+                    "text": "a",
+                    "location": {
+                        "start": 41,
+                        "end": 42,
+                        "filename": "files/combination.rinha"
+                    }
+                },
+                "value": {
+                    "kind": "Binary",
+                    "lhs": {
+                        "kind": "Var",
+                        "text": "k",
+                        "location": {
+                            "start": 45,
+                            "end": 46,
+                            "filename": "files/combination.rinha"
+                        }
+                    },
+                    "op": "Eq",
+                    "rhs": {
+                        "kind": "Int",
+                        "value": 0,
+                        "location": {
+                            "start": 50,
+                            "end": 51,
+                            "filename": "files/combination.rinha"
+                        }
+                    },
+                    "location": {
+                        "start": 45,
+                        "end": 51,
+                        "filename": "files/combination.rinha"
+                    }
+                },
+                "next": {
+                    "kind": "Let",
+                    "name": {
+                        "text": "b",
+                        "location": {
+                            "start": 61,
+                            "end": 62,
+                            "filename": "files/combination.rinha"
+                        }
+                    },
+                    "value": {
+                        "kind": "Binary",
+                        "lhs": {
+                            "kind": "Var",
+                            "text": "k",
+                            "location": {
+                                "start": 65,
+                                "end": 66,
+                                "filename": "files/combination.rinha"
+                            }
+                        },
+                        "op": "Eq",
+                        "rhs": {
+                            "kind": "Var",
+                            "text": "n",
+                            "location": {
+                                "start": 70,
+                                "end": 71,
+                                "filename": "files/combination.rinha"
+                            }
+                        },
+                        "location": {
+                            "start": 65,
+                            "end": 71,
+                            "filename": "files/combination.rinha"
+                        }
+                    },
+                    "next": {
+                        "kind": "If",
+                        "condition": {
+                            "kind": "Binary",
+                            "lhs": {
+                                "kind": "Var",
+                                "text": "a",
+                                "location": {
+                                    "start": 81,
+                                    "end": 82,
+                                    "filename": "files/combination.rinha"
+                                }
+                            },
+                            "op": "Or",
+                            "rhs": {
+                                "kind": "Var",
+                                "text": "b",
+                                "location": {
+                                    "start": 86,
+                                    "end": 87,
+                                    "filename": "files/combination.rinha"
+                                }
+                            },
+                            "location": {
+                                "start": 81,
+                                "end": 87,
+                                "filename": "files/combination.rinha"
+                            }
+                        },
+                        "then": {
+                            "kind": "Int",
+                            "value": 1,
+                            "location": {
+                                "start": 103,
+                                "end": 104,
+                                "filename": "files/combination.rinha"
+                            }
+                        },
+                        "otherwise": {
+                            "kind": "Binary",
+                            "lhs": {
+                                "kind": "Call",
+                                "callee": {
+                                    "kind": "Var",
+                                    "text": "combination",
+                                    "location": {
+                                        "start": 130,
+                                        "end": 141,
+                                        "filename": "files/combination.rinha"
+                                    }
+                                },
+                                "arguments": [
+                                    {
+                                        "kind": "Binary",
+                                        "lhs": {
+                                            "kind": "Var",
+                                            "text": "n",
+                                            "location": {
+                                                "start": 142,
+                                                "end": 143,
+                                                "filename": "files/combination.rinha"
+                                            }
+                                        },
+                                        "op": "Sub",
+                                        "rhs": {
+                                            "kind": "Int",
+                                            "value": 1,
+                                            "location": {
+                                                "start": 146,
+                                                "end": 147,
+                                                "filename": "files/combination.rinha"
+                                            }
+                                        },
+                                        "location": {
+                                            "start": 142,
+                                            "end": 147,
+                                            "filename": "files/combination.rinha"
+                                        }
+                                    },
+                                    {
+                                        "kind": "Binary",
+                                        "lhs": {
+                                            "kind": "Var",
+                                            "text": "k",
+                                            "location": {
+                                                "start": 149,
+                                                "end": 150,
+                                                "filename": "files/combination.rinha"
+                                            }
+                                        },
+                                        "op": "Sub",
+                                        "rhs": {
+                                            "kind": "Int",
+                                            "value": 1,
+                                            "location": {
+                                                "start": 153,
+                                                "end": 154,
+                                                "filename": "files/combination.rinha"
+                                            }
+                                        },
+                                        "location": {
+                                            "start": 149,
+                                            "end": 154,
+                                            "filename": "files/combination.rinha"
+                                        }
+                                    }
+                                ],
+                                "location": {
+                                    "start": 130,
+                                    "end": 155,
+                                    "filename": "files/combination.rinha"
+                                }
+                            },
+                            "op": "Add",
+                            "rhs": {
+                                "kind": "Call",
+                                "callee": {
+                                    "kind": "Var",
+                                    "text": "combination",
+                                    "location": {
+                                        "start": 158,
+                                        "end": 169,
+                                        "filename": "files/combination.rinha"
+                                    }
+                                },
+                                "arguments": [
+                                    {
+                                        "kind": "Binary",
+                                        "lhs": {
+                                            "kind": "Var",
+                                            "text": "n",
+                                            "location": {
+                                                "start": 170,
+                                                "end": 171,
+                                                "filename": "files/combination.rinha"
+                                            }
+                                        },
+                                        "op": "Sub",
+                                        "rhs": {
+                                            "kind": "Int",
+                                            "value": 1,
+                                            "location": {
+                                                "start": 174,
+                                                "end": 175,
+                                                "filename": "files/combination.rinha"
+                                            }
+                                        },
+                                        "location": {
+                                            "start": 170,
+                                            "end": 175,
+                                            "filename": "files/combination.rinha"
+                                        }
+                                    },
+                                    {
+                                        "kind": "Var",
+                                        "text": "k",
+                                        "location": {
+                                            "start": 177,
+                                            "end": 178,
+                                            "filename": "files/combination.rinha"
+                                        }
+                                    }
+                                ],
+                                "location": {
+                                    "start": 158,
+                                    "end": 179,
+                                    "filename": "files/combination.rinha"
+                                }
+                            },
+                            "location": {
+                                "start": 130,
+                                "end": 179,
+                                "filename": "files/combination.rinha"
+                            }
+                        },
+                        "location": {
+                            "start": 77,
+                            "end": 185,
+                            "filename": "files/combination.rinha"
+                        }
+                    },
+                    "location": {
+                        "start": 57,
+                        "end": 185,
+                        "filename": "files/combination.rinha"
+                    }
+                },
+                "location": {
+                    "start": 37,
+                    "end": 185,
+                    "filename": "files/combination.rinha"
+                }
+            },
+            "location": {
+                "start": 18,
+                "end": 187,
+                "filename": "files/combination.rinha"
+            }
+        },
+        "next": {
+            "kind": "Print",
+            "value": {
+                "kind": "Call",
+                "callee": {
+                    "kind": "Var",
+                    "text": "combination",
+                    "location": {
+                        "start": 196,
+                        "end": 207,
+                        "filename": "files/combination.rinha"
+                    }
+                },
+                "arguments": [
+                    {
+                        "kind": "Int",
+                        "value": 10,
+                        "location": {
+                            "start": 208,
+                            "end": 210,
+                            "filename": "files/combination.rinha"
+                        }
+                    },
+                    {
+                        "kind": "Int",
+                        "value": 2,
+                        "location": {
+                            "start": 212,
+                            "end": 213,
+                            "filename": "files/combination.rinha"
+                        }
+                    }
+                ],
+                "location": {
+                    "start": 196,
+                    "end": 214,
+                    "filename": "files/combination.rinha"
+                }
+            },
+            "location": {
+                "start": 190,
+                "end": 215,
+                "filename": "files/combination.rinha"
+            }
+        },
+        "location": {
+            "start": 0,
+            "end": 215,
+            "filename": "files/combination.rinha"
+        }
+    },
+    "location": {
+        "start": 0,
+        "end": 215,
+        "filename": "files/combination.rinha"
+    }
+}
\ No newline at end of file