Single container with a service and Postgres main

1 files changed, 22 insertions, 0 deletions

diff --git a/service.c b/service.c
new file mode 100644
index 0000000..edc6fd0
--- /dev/null
+++ b/service.c
@@ -0,0 +1,22 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <libpq-fe.h>
+
+int main() {
+    PGconn *conn;
+    for (int i = 0; i < 100; i++) {
+	printf("trying to connect...\n");
+        conn = PQconnectdb("host=localhost dbname=postgres user=postgres password=");
+        if (PQstatus(conn) == CONNECTION_OK) {
+            printf("connected :)\n");
+	    break;
+        } else {
+            fprintf(stderr, "connection failed: %s", PQerrorMessage(conn));
+	    sleep(2);
+        }
+    }
+
+    PQfinish(conn);
+}
+